AP

1. Air Police (US)
2. American plan
3. Anti-personnel
4. Associated Press

ap

1. Additional premium
2. Ante prandium (Latin), before a meal (on prescriptions)
3. Author's proof

ap.

1. Apothecary
2. Apparent(ly)

• whirly
• whirlybird
• whirlybirds
• whirr
• whirred
• whirret
• whirreted
• whirreting
• whirrets
• whirried
• whirries
• whirring
• whirrings
• whirrs
• whirry
• whirrying
• whirs
• whirtle
• whirtles
• whish
• whished
• whishes
• whishing
• whisht
• whishted