Index: src/wp-admin/includes/class-wp-media-list-table.php
===================================================================
--- src/wp-admin/includes/class-wp-media-list-table.php	(revision 32924)
+++ src/wp-admin/includes/class-wp-media-list-table.php	(working copy)
@@ -509,7 +509,7 @@
 				/* translators: used between list items, there is a space after the comma */
 				echo join( __( ', ' ), $out );
 			} else {
-				echo '<span aria-hidden="true">&#8212;</span><span class="screen-reader-text">' . get_taxonomy( $taxonomy )->labels->not_found . '</span>';
+				echo '<span aria-hidden="true">&#8212;</span><span class="screen-reader-text">' . get_taxonomy( $taxonomy )->labels->no_terms . '</span>';
 			}
 
 			return;
Index: src/wp-admin/includes/class-wp-posts-list-table.php
===================================================================
--- src/wp-admin/includes/class-wp-posts-list-table.php	(revision 32924)
+++ src/wp-admin/includes/class-wp-posts-list-table.php	(working copy)
@@ -903,7 +903,7 @@
 				/* translators: used between list items, there is a space after the comma */
 				echo join( __( ', ' ), $out );
 			} else {
-				echo '<span aria-hidden="true">&#8212;</span><span class="screen-reader-text">' . $taxonomy_object->labels->not_found . '</span>';
+				echo '<span aria-hidden="true">&#8212;</span><span class="screen-reader-text">' . $taxonomy_object->labels->no_terms . '</span>';
 			}
 			return;
 		}
Index: src/wp-includes/taxonomy.php
===================================================================
--- src/wp-includes/taxonomy.php	(revision 32924)
+++ src/wp-includes/taxonomy.php	(working copy)
@@ -472,6 +472,7 @@
  * - add_or_remove_items - This string isn't used on hierarchical taxonomies. Default is "Add or remove tags", used in the meta box when JavaScript is disabled.
  * - choose_from_most_used - This string isn't used on hierarchical taxonomies. Default is "Choose from the most used tags", used in the meta box.
  * - not_found - Default is "No tags found"/"No categories found", used in the meta box and taxonomy list table.
+ * - no_term - Default is "No terms" for both hierarchical and not-hierarchical taxonomies, used in the posts and media list table.
  *
  * Above, the first default value is for non-hierarchical taxonomies (like tags) and the second one is for hierarchical taxonomies (like categories).
  *
@@ -508,6 +509,7 @@
 		'add_or_remove_items' => array( __( 'Add or remove tags' ), null ),
 		'choose_from_most_used' => array( __( 'Choose from the most used tags' ), null ),
 		'not_found' => array( __( 'No tags found.' ), __( 'No categories found.' ) ),
+		'no_terms' => array( __( 'No terms' ), __( 'No terms' ) ),
 	);
 	$nohier_vs_hier_defaults['menu_name'] = $nohier_vs_hier_defaults['name'];