diff --git a/superset-frontend/spec/javascripts/dashboard/components/nativeFilters/NativeFiltersModal_spec.tsx b/superset-frontend/spec/javascripts/dashboard/components/nativeFilters/NativeFiltersModal_spec.tsx
index d3f552f4865..a3329c3fcd2 100644
--- a/superset-frontend/spec/javascripts/dashboard/components/nativeFilters/NativeFiltersModal_spec.tsx
+++ b/superset-frontend/spec/javascripts/dashboard/components/nativeFilters/NativeFiltersModal_spec.tsx
@@ -109,7 +109,7 @@ describe('FiltersConfigModal', () => {
       await clickCancel();
       expect(onCancel.mock.calls).toHaveLength(0);
       expect(wrapper.find(Alert).text()).toContain(
-        'Are you sure you want to cancel? "New Filter" will not be saved.',
+        'Are you sure you want to cancel? "New filter" will not be saved.',
       );
     });
 
@@ -119,7 +119,7 @@ describe('FiltersConfigModal', () => {
       await clickCancel();
       expect(onCancel.mock.calls).toHaveLength(0);
       expect(wrapper.find(Alert).text()).toContain(
-        'Are you sure you want to cancel? "New Filter" and "New Filter" will not be saved.',
+        'Are you sure you want to cancel? "New filter" and "New filter" will not be saved.',
       );
     });
   });
diff --git a/superset-frontend/src/dashboard/components/SliceHeaderControls.jsx b/superset-frontend/src/dashboard/components/SliceHeaderControls.jsx
index f985fe83c8c..dcd142c0f93 100644
--- a/superset-frontend/src/dashboard/components/SliceHeaderControls.jsx
+++ b/superset-frontend/src/dashboard/components/SliceHeaderControls.jsx
@@ -199,7 +199,7 @@ class SliceHeaderControls extends React.PureComponent {
           : item}
       </div>
     ));
-    const resizeLabel = isFullSize ? t('Minimize Chart') : t('Maximize Chart');
+    const resizeLabel = isFullSize ? t('Minimize chart') : t('Maximize chart');
     const menu = (
       <Menu
         onClick={this.handleMenuClick}
@@ -228,7 +228,7 @@ class SliceHeaderControls extends React.PureComponent {
 
         {this.props.supersetCanExplore && (
           <Menu.Item key={MENU_KEYS.EXPLORE_CHART}>
-            {t('View Chart in Explore')}
+            {t('View chart in Explore')}
           </Menu.Item>
         )}
 
diff --git a/superset-frontend/src/dashboard/components/nativeFilters/CascadePopover.tsx b/superset-frontend/src/dashboard/components/nativeFilters/CascadePopover.tsx
index c7519b465b0..2b923704c42 100644
--- a/superset-frontend/src/dashboard/components/nativeFilters/CascadePopover.tsx
+++ b/superset-frontend/src/dashboard/components/nativeFilters/CascadePopover.tsx
@@ -118,7 +118,7 @@ const CascadePopover: React.FC<CascadePopoverProps> = ({
     <StyledTitleBox>
       <StyledTitle>
         <StyledIcon name="edit" />
-        {t('Select Parent Filters')} ({totalChildren})
+        {t('Select parent filters')} ({totalChildren})
       </StyledTitle>
       <StyledIcon name="close" onClick={() => onVisibleChange(false)} />
     </StyledTitleBox>
diff --git a/superset-frontend/src/dashboard/components/nativeFilters/FilterBar.tsx b/superset-frontend/src/dashboard/components/nativeFilters/FilterBar.tsx
index bc66d532901..abd189a8b61 100644
--- a/superset-frontend/src/dashboard/components/nativeFilters/FilterBar.tsx
+++ b/superset-frontend/src/dashboard/components/nativeFilters/FilterBar.tsx
@@ -452,7 +452,7 @@ const FilterBar: React.FC<FiltersBarProps> = ({
             buttonSize="sm"
             onClick={handleResetAll}
           >
-            {t('Reset All')}
+            {t('Reset all')}
           </Button>
           <Button
             buttonStyle="primary"
diff --git a/superset-frontend/src/dashboard/components/nativeFilters/FilterConfigForm.tsx b/superset-frontend/src/dashboard/components/nativeFilters/FilterConfigForm.tsx
index ef701fe3dd9..0608483b8d6 100644
--- a/superset-frontend/src/dashboard/components/nativeFilters/FilterConfigForm.tsx
+++ b/superset-frontend/src/dashboard/components/nativeFilters/FilterConfigForm.tsx
@@ -117,7 +117,7 @@ export const FilterConfigForm: React.FC<FilterConfigFormProps> = ({
         <p>{t('You have removed this filter.')}</p>
         <div>
           <Button type="primary" onClick={() => restore(filterId)}>
-            {t('Restore Filter')}
+            {t('Restore filter')}
           </Button>
         </div>
       </RemovedContent>
@@ -135,7 +135,7 @@ export const FilterConfigForm: React.FC<FilterConfigFormProps> = ({
       <StyledContainer>
         <StyledFormItem
           name={['filters', filterId, 'name']}
-          label={<StyledLabel>{t('Filter Name')}</StyledLabel>}
+          label={<StyledLabel>{t('Filter name')}</StyledLabel>}
           initialValue={filterToEdit?.name}
           rules={[{ required: !removed, message: t('Name is required') }]}
           data-test="name-input"
@@ -177,7 +177,7 @@ export const FilterConfigForm: React.FC<FilterConfigFormProps> = ({
       </StyledFormItem>
       <StyledFormItem
         name={['filters', filterId, 'parentFilter']}
-        label={<StyledLabel>{t('Parent Filter')}</StyledLabel>}
+        label={<StyledLabel>{t('Parent filter')}</StyledLabel>}
         initialValue={parentFilterOptions.find(
           ({ value }) => value === filterToEdit?.cascadeParentIds[0],
         )}
diff --git a/superset-frontend/src/dashboard/components/nativeFilters/FilterConfigModal.tsx b/superset-frontend/src/dashboard/components/nativeFilters/FilterConfigModal.tsx
index a7d178eac5c..4310ac7436f 100644
--- a/superset-frontend/src/dashboard/components/nativeFilters/FilterConfigModal.tsx
+++ b/superset-frontend/src/dashboard/components/nativeFilters/FilterConfigModal.tsx
@@ -285,7 +285,7 @@ export function FilterConfigModal({
 
   function getFilterTitle(id: string) {
     return (
-      formValues.filters[id]?.name ?? filterConfigMap[id]?.name ?? 'New Filter'
+      formValues.filters[id]?.name ?? filterConfigMap[id]?.name ?? 'New filter'
     );
   }
 
@@ -352,7 +352,7 @@ export function FilterConfigModal({
 
       return formValues;
     } catch (error) {
-      console.warn('Filter Configuration Failed:', error);
+      console.warn('Filter configuration failed:', error);
 
       if (!error.errorFields || !error.errorFields.length) return null; // not a validation error
 
@@ -480,7 +480,7 @@ export function FilterConfigModal({
   return (
     <StyledModal
       visible={isOpen}
-      title={t('Filter Configuration and Scoping')}
+      title={t('Filter configuration and scoping')}
       width="55%"
       onCancel={handleCancel}
       onOk={onOk}
@@ -513,7 +513,7 @@ export function FilterConfigModal({
               onEdit={onTabEdit}
               addIcon={
                 <StyledAddFilterBox>
-                  <PlusOutlined /> <span>{t('Add Filter')}</span>
+                  <PlusOutlined /> <span>{t('Add filter')}</span>
                 </StyledAddFilterBox>
               }
             >
diff --git a/superset-frontend/src/dashboard/components/nativeFilters/FiltersList.tsx b/superset-frontend/src/dashboard/components/nativeFilters/FiltersList.tsx
index 5c91bf61f4e..f85e31b0ae2 100644
--- a/superset-frontend/src/dashboard/components/nativeFilters/FiltersList.tsx
+++ b/superset-frontend/src/dashboard/components/nativeFilters/FiltersList.tsx
@@ -53,7 +53,7 @@ const FiltersList = ({ setEditFilter, setDataset }: FiltersListProps) => {
         </Button>
         <span
           role="button"
-          title="Edit Dashboard"
+          title="Edit dashboard"
           tabIndex={0}
           className="action-button"
         >
diff --git a/superset-frontend/src/dashboard/components/nativeFilters/state.ts b/superset-frontend/src/dashboard/components/nativeFilters/state.ts
index a6476fe8b12..282c75b4616 100644
--- a/superset-frontend/src/dashboard/components/nativeFilters/state.ts
+++ b/superset-frontend/src/dashboard/components/nativeFilters/state.ts
@@ -90,7 +90,7 @@ export function useFilterScopeTree(): {
     children: [],
     key: DASHBOARD_ROOT_ID,
     type: DASHBOARD_ROOT_TYPE,
-    title: t('All Panels'),
+    title: t('All panels'),
   };
 
   // We need to get only nodes that have charts as children or grandchildren
diff --git a/superset-frontend/src/dashboard/util/newComponentFactory.js b/superset-frontend/src/dashboard/util/newComponentFactory.js
index 1c3d2cf16a6..d3f3a828f59 100644
--- a/superset-frontend/src/dashboard/util/newComponentFactory.js
+++ b/superset-frontend/src/dashboard/util/newComponentFactory.js
@@ -50,7 +50,7 @@ const typeToDefaultMetaData = {
   [MARKDOWN_TYPE]: { width: GRID_DEFAULT_CHART_WIDTH, height: 50 },
   [ROW_TYPE]: { background: BACKGROUND_TRANSPARENT },
   [TABS_TYPE]: null,
-  [TAB_TYPE]: { text: 'New Tab' },
+  [TAB_TYPE]: { text: 'New tab' },
 };
 
 function uuid(type) {
diff --git a/superset-frontend/src/datasource/ChangeDatasourceModal.tsx b/superset-frontend/src/datasource/ChangeDatasourceModal.tsx
index c6ebd22048c..0d5d36d3fff 100644
--- a/superset-frontend/src/datasource/ChangeDatasourceModal.tsx
+++ b/superset-frontend/src/datasource/ChangeDatasourceModal.tsx
@@ -220,7 +220,7 @@ const ChangeDatasourceModal: FunctionComponent<ChangeDatasourceModalProps> = ({
       show={show}
       onHide={onHide}
       responsive
-      title={t('Change Dataset')}
+      title={t('Change dataset')}
       width={confirmChange ? '432px' : ''}
       height={confirmChange ? 'auto' : '480px'}
       hideFooter={!confirmChange}
diff --git a/superset-frontend/src/datasource/DatasourceEditor.jsx b/superset-frontend/src/datasource/DatasourceEditor.jsx
index 4427b22b072..ca19a5c05fb 100644
--- a/superset-frontend/src/datasource/DatasourceEditor.jsx
+++ b/superset-frontend/src/datasource/DatasourceEditor.jsx
@@ -132,7 +132,7 @@ function ColumnCollectionTable({
             {showExpression && (
               <Field
                 fieldKey="expression"
-                label={t('SQL Expression')}
+                label={t('SQL expression')}
                 control={
                   <TextAreaControl
                     language="markdown"
@@ -164,7 +164,7 @@ function ColumnCollectionTable({
             {allowEditDataType && (
               <Field
                 fieldKey="type"
-                label={t('Data Type')}
+                label={t('Data type')}
                 control={
                   <SelectControl choices={DATA_TYPES} name="type" freeForm />
                 }
@@ -172,13 +172,13 @@ function ColumnCollectionTable({
             )}
             <Field
               fieldKey="python_date_format"
-              label={t('Datetime Format')}
+              label={t('Datetime format')}
               description={
                 /* Note the fragmented translations may not work. */
                 <div>
                   {t('The pattern of timestamp format. For strings use ')}
                   <a href="https://docs.python.org/2/library/datetime.html#strftime-strptime-behavior">
-                    {t('python datetime string pattern')}
+                    {t('Python datetime string pattern')}
                   </a>
                   {t(' expression which needs to adhere to the ')}
                   <a href="https://en.wikipedia.org/wiki/ISO_8601">
@@ -207,10 +207,10 @@ function ColumnCollectionTable({
       }
       columnLabels={{
         column_name: t('Column'),
-        type: t('Data Type'),
-        groupby: t('Is Dimension'),
-        is_dttm: t('Is Temporal'),
-        filterable: t('Is Filterable'),
+        type: t('Data type'),
+        groupby: t('Is dimension'),
+        is_dttm: t('Is temporal'),
+        filterable: t('Is filterable'),
       }}
       onChange={onChange}
       itemRenderers={{
@@ -537,7 +537,7 @@ class DatasourceEditor extends React.PureComponent {
         {this.state.isSqla && (
           <Field
             fieldKey="fetch_values_predicate"
-            label={t('Autocomplete Query Predicate')}
+            label={t('Autocomplete query predicate')}
             description={t(
               'When using "Autocomplete filters", this can be used to improve performance ' +
                 'of the query fetching the values. Use this option to apply a ' +
@@ -599,7 +599,7 @@ class DatasourceEditor extends React.PureComponent {
       >
         <Field
           fieldKey="cache_timeout"
-          label={t('Cache Timeout')}
+          label={t('Cache timeout')}
           description={t(
             'The duration of time in seconds before the cache is invalidated',
           )}
@@ -702,14 +702,14 @@ class DatasourceEditor extends React.PureComponent {
                   />
                   <Field
                     fieldKey="table_name"
-                    label={t('dataset name')}
+                    label={t('Dataset name')}
                     control={
                       <TextControl
                         controlId="table_name"
                         onChange={table => {
                           this.onDatasourcePropChange('table_name', table);
                         }}
-                        placeholder={t('dataset name')}
+                        placeholder={t('Dataset name')}
                         disabled={!this.state.isEditMode}
                       />
                     }
@@ -835,7 +835,7 @@ class DatasourceEditor extends React.PureComponent {
         columnLabels={{
           metric_name: t('Metric'),
           verbose_name: t('Label'),
-          expression: t('SQL Expression'),
+          expression: t('SQL expression'),
         }}
         expandFieldset={
           <FormContainer>
@@ -857,13 +857,13 @@ class DatasourceEditor extends React.PureComponent {
               />
               <Field
                 fieldKey="d3format"
-                label={t('D3 Format')}
+                label={t('D3 format')}
                 control={
                   <TextControl controlId="d3format" placeholder="%y/%m/%d" />
                 }
               />
               <Field
-                label={t('Warning Message')}
+                label={t('Warning message')}
                 fieldKey="warning_text"
                 description={t(
                   'Warning message to display in the metric selector',
@@ -871,12 +871,12 @@ class DatasourceEditor extends React.PureComponent {
                 control={
                   <TextControl
                     controlId="warning_text"
-                    placeholder={t('Warning Message')}
+                    placeholder={t('Warning message')}
                   />
                 }
               />
               <Field
-                label={t('Certified By')}
+                label={t('Certified by')}
                 fieldKey="certified_by"
                 description={t(
                   'Person or group that has certified this metric',
@@ -884,18 +884,18 @@ class DatasourceEditor extends React.PureComponent {
                 control={
                   <TextControl
                     controlId="certified_by"
-                    placeholder={t('Certified By')}
+                    placeholder={t('Certified by')}
                   />
                 }
               />
               <Field
-                label={t('Certification Details')}
+                label={t('Certification details')}
                 fieldKey="certification_details"
                 description={t('Details of the certification')}
                 control={
                   <TextControl
                     controlId="certification_details"
-                    placeholder={t('Certification Details')}
+                    placeholder={t('Certification details')}
                   />
                 }
               />
@@ -1024,7 +1024,7 @@ class DatasourceEditor extends React.PureComponent {
             tab={
               <CollectionTabTitle
                 collection={this.state.calculatedColumns}
-                title={t('Calculated Columns')}
+                title={t('Calculated columns')}
               />
             }
             key={3}