1. Get back to where you were: Shift+F5
2. Switch between text case: Shift+F3
3. Switch to small caps: Control+Shift+K
4. Delete entire words: Ctrl+Delete
5. Quickly add annotations (also called “comments”): Ctrl+Alt+M
6. Switch between open Word documents on a Mac: Command +`.
7. Add a footnote in Word documents: Alt+Ctrl+F
8. Use the built-in thesaurus: Shift+F7
9. Insert the date: Alt+Shift+D
10. Move entire paragraphs: Shift+Alt+Up or Down Arrow
via resipsablog