Rename "Posts" to "Articles"
Changes every label of the built-in Posts type in the admin, such as the menu, buttons and messages, to a name that fits your site.
Snippet Library
Admin snippets for WordPress
Snippets that tidy up and tailor the WordPress admin: hide menu items, add columns to post lists, change the footer text and remove clutter. Made for agencies and site owners who hand a dashboard over to clients or editors.
Rename Any Admin Menu Item
Renames admin menu entries to words your team understands, such as "Appearance" to "Design" or a plugin's menu to "Bookings", without touching the plugin.