diff --git a/src/wp-includes/block-template-utils.php b/src/wp-includes/block-template-utils.php
index 66c48db7f1305..57c534a04ff11 100644
--- a/src/wp-includes/block-template-utils.php
+++ b/src/wp-includes/block-template-utils.php
@@ -1326,19 +1326,60 @@ function get_template_hierarchy( $slug, $is_custom = false, $template_prefix = '
 	}
 
 	$template_hierarchy = array( $slug );
-
 	// Most default templates don't have `$template_prefix` assigned.
-	if ( $template_prefix ) {
-		list( $type ) = explode( '-', $template_prefix );
-		// These checks are needed because the `$slug` above is always added.
+	if ( ! empty( $template_prefix ) ) {
+		list($type) = explode( '-', $template_prefix );
+		// We need these checks because we always add the `$slug` above.
 		if ( ! in_array( $template_prefix, array( $slug, $type ), true ) ) {
 			$template_hierarchy[] = $template_prefix;
 		}
 		if ( $slug !== $type ) {
 			$template_hierarchy[] = $type;
 		}
+	} else {
+		$matches = array();
+		if ( preg_match( '/^(author|category|archive|tag|page)-(.+)$/', $slug, $matches ) ) {
+			$template_hierarchy[] = $matches[1];
+		} elseif ( preg_match( '/^(single|taxonomy)-(.+)$/', $slug, $matches ) ) {
+			$type           = $matches[1];
+			$slug_remaining = $matches[2];
+			if ( 'single' === $type ) {
+				$post_types = get_post_types();
+				foreach ( $post_types as $post_type ) {
+					if ( str_starts_with( $slug_remaining, $post_type ) ) {
+						// If $slug_remaining is equal to $post_type we have the single-$post_type template.
+						if ( $slug_remaining === $post_type ) {
+							$template_hierarchy[] = 'single';
+							break;
+						}
+						// If $slug_remaining is single-$post_type-$slug template.
+						if ( str_starts_with( $slug_remaining, $post_type . '-' ) && strlen( $slug_remaining ) > strlen( $post_type ) + 1 ) {
+							$template_hierarchy[] = "single-$post_type";
+							$template_hierarchy[] = 'single';
+							break;
+						}
+					}
+				}
+			} elseif ( 'taxonomy' === $type ) {
+				$taxonomies = get_taxonomies();
+				foreach ( $taxonomies as $taxonomy ) {
+					if ( str_starts_with( $slug_remaining, $taxonomy ) ) {
+						// If $slug_remaining is equal to $taxonomy we have the taxonomy-$taxonomy template.
+						if ( $slug_remaining === $taxonomy ) {
+							$template_hierarchy[] = 'taxonomy';
+							break;
+						}
+						// If $slug_remaining is taxonomy-$taxonomy-$term template.
+						if ( str_starts_with( $slug_remaining, $taxonomy . '-' ) && strlen( $slug_remaining ) > strlen( $taxonomy ) + 1 ) {
+							$template_hierarchy[] = "taxonomy-$taxonomy";
+							$template_hierarchy[] = 'taxonomy';
+							break;
+						}
+					}
+				}
+			}
+		}
 	}
-
 	// Handle `archive` template.
 	if (
 		str_starts_with( $slug, 'author' ) ||
@@ -1353,7 +1394,6 @@ function get_template_hierarchy( $slug, $is_custom = false, $template_prefix = '
 	if ( 'attachment' === $slug ) {
 		$template_hierarchy[] = 'single';
 	}
-
 	// Handle `singular` template.
 	if (
 		str_starts_with( $slug, 'single' ) ||
@@ -1362,8 +1402,6 @@ function get_template_hierarchy( $slug, $is_custom = false, $template_prefix = '
 	) {
 		$template_hierarchy[] = 'singular';
 	}
-
 	$template_hierarchy[] = 'index';
-
 	return $template_hierarchy;
 }
diff --git a/tests/phpunit/tests/block-templates/getTemplateHierarchy.php b/tests/phpunit/tests/block-templates/getTemplateHierarchy.php
index e550b22778417..533885102ade5 100644
--- a/tests/phpunit/tests/block-templates/getTemplateHierarchy.php
+++ b/tests/phpunit/tests/block-templates/getTemplateHierarchy.php
@@ -8,6 +8,22 @@
  */
 class Tests_Block_Templates_GetTemplate_Hierarchy extends WP_Block_Templates_UnitTestCase {
 
+	public static function wpSetUpBeforeClass( WP_UnitTest_Factory $factory ) {
+		register_post_type(
+			'custom_book',
+			array(
+				'public'       => true,
+				'show_in_rest' => true,
+			)
+		);
+		register_taxonomy( 'book_type', 'custom_book' );
+	}
+
+	public static function wpTearDownAfterClass() {
+		unregister_post_type( 'custom_book' );
+		unregister_taxonomy( 'book_type' );
+	}
+
 	/**
 	 * @dataProvider data_get_template_hierarchy
 	 *
@@ -83,14 +99,26 @@ public function data_get_template_hierarchy() {
 				'args'     => array( 'category-fruits', false, 'category' ),
 				'expected' => array( 'category-fruits', 'category', 'archive', 'index' ),
 			),
+			'single word categories no prefix'         => array(
+				'args'     => array( 'category-fruits', false ),
+				'expected' => array( 'category-fruits', 'category', 'archive', 'index' ),
+			),
 			'multi word categories'                    => array(
 				'args'     => array( 'category-fruits-yellow', false, 'category' ),
 				'expected' => array( 'category-fruits-yellow', 'category', 'archive', 'index' ),
 			),
+			'multi word categories no prefix'          => array(
+				'args'     => array( 'category-fruits-yellow', false ),
+				'expected' => array( 'category-fruits-yellow', 'category', 'archive', 'index' ),
+			),
 			'single word taxonomy and term'            => array(
 				'args'     => array( 'taxonomy-books-action', false, 'taxonomy-books' ),
 				'expected' => array( 'taxonomy-books-action', 'taxonomy-books', 'taxonomy', 'archive', 'index' ),
 			),
+			'single word taxonomy and term no prefix'  => array(
+				'args'     => array( 'taxonomy-books-action', false ),
+				'expected' => array( 'taxonomy-books-action', 'taxonomy-books', 'taxonomy', 'archive', 'index' ),
+			),
 			'single word taxonomy and multi word term' => array(
 				'args'     => array( 'taxonomy-books-action-adventure', false, 'taxonomy-books' ),
 				'expected' => array( 'taxonomy-books-action-adventure', 'taxonomy-books', 'taxonomy', 'archive', 'index' ),
@@ -119,6 +147,46 @@ public function data_get_template_hierarchy() {
 				'args'     => array( 'author-rigas', false, 'author' ),
 				'expected' => array( 'author-rigas', 'author', 'archive', 'index' ),
 			),
+			'multiple word taxonomy no prefix'         => array(
+				'args'     => array( 'taxonomy-book_type-adventure', false ),
+				'expected' => array( 'taxonomy-book_type-adventure', 'taxonomy-book_type', 'taxonomy', 'archive', 'index' ),
+			),
+			'single post type no prefix'               => array(
+				'args'     => array( 'single-custom_book', false ),
+				'expected' => array(
+					'single-custom_book',
+					'single',
+					'singular',
+					'index',
+				),
+			),
+			'single post and post type no prefix'      => array(
+				'args'     => array( 'single-custom_book-book-1', false ),
+				'expected' => array(
+					'single-custom_book-book-1',
+					'single-custom_book',
+					'single',
+					'singular',
+					'index',
+				),
+			),
+			'page no prefix'                           => array(
+				'args'     => array( 'page-hi', false ),
+				'expected' => array(
+					'page-hi',
+					'page',
+					'singular',
+					'index',
+				),
+			),
+			'post type archive no prefix'              => array(
+				'args'     => array( 'archive-book', false ),
+				'expected' => array(
+					'archive-book',
+					'archive',
+					'index',
+				),
+			),
 		);
 	}
 }