diff --git a/packages/block-editor/src/components/block-patterns-list/index.js b/packages/block-editor/src/components/block-patterns-list/index.js
index 3ac0cc7018b3d..9ab7bbaf0bb44 100644
--- a/packages/block-editor/src/components/block-patterns-list/index.js
+++ b/packages/block-editor/src/components/block-patterns-list/index.js
@@ -149,7 +149,7 @@ function BlockPatternList(
 		onHover,
 		onClickPattern,
 		orientation,
-		label = __( 'Block Patterns' ),
+		label = __( 'Block patterns' ),
 		showTitlesAsTooltip,
 		pagingProps,
 	},
diff --git a/packages/block-editor/src/components/inserter/block-patterns-tab.js b/packages/block-editor/src/components/inserter/block-patterns-tab.js
index 289ad4dfa4709..5d4b2684f1c70 100644
--- a/packages/block-editor/src/components/inserter/block-patterns-tab.js
+++ b/packages/block-editor/src/components/inserter/block-patterns-tab.js
@@ -42,7 +42,7 @@ const noop = () => {};
 
 export const allPatternsCategory = {
 	name: 'allPatterns',
-	label: __( 'All Patterns' ),
+	label: __( 'All patterns' ),
 };
 
 export const myPatternsCategory = {
diff --git a/packages/block-editor/src/components/inserter/search-results.js b/packages/block-editor/src/components/inserter/search-results.js
index 23a3cafc563ba..edd99609ea916 100644
--- a/packages/block-editor/src/components/inserter/search-results.js
+++ b/packages/block-editor/src/components/inserter/search-results.js
@@ -184,7 +184,7 @@ function InserterSearchResults( {
 	const patternsUI = !! filteredBlockPatterns.length && (
 		<InserterPanel
 			title={
-				<VisuallyHidden>{ __( 'Block Patterns' ) }</VisuallyHidden>
+				<VisuallyHidden>{ __( 'Block patterns' ) }</VisuallyHidden>
 			}
 		>
 			<div className="block-editor-inserter__quick-inserter-patterns">
diff --git a/packages/e2e-test-utils/src/create-reusable-block.js b/packages/e2e-test-utils/src/create-reusable-block.js
index ed756353310dd..0b2e327a5c05c 100644
--- a/packages/e2e-test-utils/src/create-reusable-block.js
+++ b/packages/e2e-test-utils/src/create-reusable-block.js
@@ -34,7 +34,7 @@ export const createReusableBlock = async ( content, title ) => {
 
 	// Wait for creation to finish
 	await page.waitForXPath(
-		'//*[contains(@class, "components-snackbar")]/*[contains(text(),"Pattern created:")]'
+		'//*[contains(@class, "components-snackbar")]/*[contains(text(),"pattern created:")]'
 	);
 
 	// Check that we have a reusable block on the page
diff --git a/packages/e2e-tests/specs/editor/various/pattern-blocks.test.js b/packages/e2e-tests/specs/editor/various/pattern-blocks.test.js
index 72f11f2c95e7a..e0b3df5ef70a8 100644
--- a/packages/e2e-tests/specs/editor/various/pattern-blocks.test.js
+++ b/packages/e2e-tests/specs/editor/various/pattern-blocks.test.js
@@ -209,7 +209,7 @@ describe( 'Pattern blocks', () => {
 
 		// Wait for creation to finish.
 		await page.waitForXPath(
-			'//*[contains(@class, "components-snackbar")]/*[contains(text(),"Pattern created:")]'
+			'//*[contains(@class, "components-snackbar")]/*[contains(text(),"pattern created:")]'
 		);
 
 		await clearAllBlocks();
diff --git a/packages/list-reusable-blocks/src/components/import-form/index.js b/packages/list-reusable-blocks/src/components/import-form/index.js
index 9ba1589e52f39..1f5e62f9115b3 100644
--- a/packages/list-reusable-blocks/src/components/import-form/index.js
+++ b/packages/list-reusable-blocks/src/components/import-form/index.js
@@ -49,8 +49,8 @@ function ImportForm( { instanceId, onUpload } ) {
 					case 'Invalid JSON file':
 						uiMessage = __( 'Invalid JSON file' );
 						break;
-					case 'Invalid Pattern JSON file':
-						uiMessage = __( 'Invalid Pattern JSON file' );
+					case 'Invalid pattern JSON file':
+						uiMessage = __( 'Invalid pattern JSON file' );
 						break;
 					default:
 						uiMessage = __( 'Unknown error' );
diff --git a/packages/list-reusable-blocks/src/utils/import.js b/packages/list-reusable-blocks/src/utils/import.js
index 465fb080ce8df..432948ce6d6db 100644
--- a/packages/list-reusable-blocks/src/utils/import.js
+++ b/packages/list-reusable-blocks/src/utils/import.js
@@ -31,7 +31,7 @@ async function importReusableBlock( file ) {
 		( parsedContent.syncStatus &&
 			typeof parsedContent.syncStatus !== 'string' )
 	) {
-		throw new Error( 'Invalid Pattern JSON file' );
+		throw new Error( 'Invalid pattern JSON file' );
 	}
 	const postType = await apiFetch( { path: `/wp/v2/types/wp_block` } );
 	const reusableBlock = await apiFetch( {
diff --git a/packages/patterns/src/components/pattern-convert-button.js b/packages/patterns/src/components/pattern-convert-button.js
index b29af99248f7d..002dbbd8c0181 100644
--- a/packages/patterns/src/components/pattern-convert-button.js
+++ b/packages/patterns/src/components/pattern-convert-button.js
@@ -110,12 +110,12 @@ export default function PatternConvertButton( { clientIds, rootClientId } ) {
 			pattern.wp_pattern_sync_status === PATTERN_SYNC_TYPES.unsynced
 				? sprintf(
 						// translators: %s: the name the user has given to the pattern.
-						__( 'Unsynced Pattern created: %s' ),
+						__( 'Unsynced pattern created: %s' ),
 						pattern.title.raw
 				  )
 				: sprintf(
 						// translators: %s: the name the user has given to the pattern.
-						__( 'Synced Pattern created: %s' ),
+						__( 'Synced pattern created: %s' ),
 						pattern.title.raw
 				  ),
 			{
diff --git a/packages/patterns/src/store/actions.js b/packages/patterns/src/store/actions.js
index 2861e4ce2dac0..dfa0326a70941 100644
--- a/packages/patterns/src/store/actions.js
+++ b/packages/patterns/src/store/actions.js
@@ -69,7 +69,7 @@ export const createPatternFromFile =
 			( parsedContent.syncStatus &&
 				typeof parsedContent.syncStatus !== 'string' )
 		) {
-			throw new Error( 'Invalid Pattern JSON file' );
+			throw new Error( 'Invalid pattern JSON file' );
 		}
 
 		const pattern = await dispatch.createPattern(
diff --git a/packages/reusable-blocks/src/components/reusable-blocks-menu-items/reusable-block-convert-button.js b/packages/reusable-blocks/src/components/reusable-blocks-menu-items/reusable-block-convert-button.js
index de29a930e89f1..347638baeaf05 100644
--- a/packages/reusable-blocks/src/components/reusable-blocks-menu-items/reusable-block-convert-button.js
+++ b/packages/reusable-blocks/src/components/reusable-blocks-menu-items/reusable-block-convert-button.js
@@ -115,12 +115,12 @@ export default function ReusableBlockConvertButton( {
 					! syncType
 						? sprintf(
 								// translators: %s: the name the user has given to the pattern.
-								__( 'Synced Pattern created: %s' ),
+								__( 'Synced pattern created: %s' ),
 								reusableBlockTitle
 						  )
 						: sprintf(
 								// translators: %s: the name the user has given to the pattern.
-								__( 'Unsynced Pattern created: %s' ),
+								__( 'Unsynced pattern created: %s' ),
 								reusableBlockTitle
 						  ),
 					{
diff --git a/packages/reusable-blocks/src/store/actions.js b/packages/reusable-blocks/src/store/actions.js
index 292a3082146aa..85fe31138652a 100644
--- a/packages/reusable-blocks/src/store/actions.js
+++ b/packages/reusable-blocks/src/store/actions.js
@@ -57,7 +57,7 @@ export const __experimentalConvertBlocksToReusable =
 				: undefined;
 
 		const reusableBlock = {
-			title: title || __( 'Untitled Pattern block' ),
+			title: title || __( 'Untitled pattern block' ),
 			content: serialize(
 				registry
 					.select( blockEditorStore )