Allows you to rename any text string for a given post type

wp_rename.php

<?php

/**
 * Allows you to rename any text string for a given post type
 *
 * @todo Make it work with text from all gettext domains
 *
 * @param array        $strings    Associative array of old strings and new strings
 * @param string|array $post_types String or array of Post Types to change the string for
 */
function rename( $strings, $post_types ) {
	// Ensure $post_types is an array
	if ( !is_array( $post_types ) ) $post_types = [ $post_types ];
	// Set each string one-by-one
	foreach ( $strings as $old => $new ) {
		// Handle special cases
		switch ( $old ) {
			case 'Title':
				foreach ( $post_types as $post_type ) {
					add_filter( 'manage_' . $post_type . '_posts_columns', function ( $columns ) use ( $new ) {
						$columns['title'] = $new;
						return $columns;
					} );
				}
				break;
		}
		// Add filter to change text
		add_filter( 'gettext', function( $translation, $text ) use ( $old, $new, $post_types ) {
			// Loop through each post type
			foreach ( $post_types as $post_type ) {
				// Check we're in the right post type
				if ( self::get_post_type() == $post_type ) {
					// If current string is the one to change, do so!
					if ( $text == $old ) return $new;
				}
			}
			// Return all translations so later instances are updated too
			return $translation;
		}, 10, 2 );
	}
}