ap.

1. Apothecary
2. Apparent(ly)

ap

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

AP

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

• undernoted
• undernotes
• undernoting
• undernourished
• undernourishment
• underns
• underntime
• underntimes
• under oath
• under one's belt
• under one's breath
• under one's hand
• under one's hat
• under one's nose
• under one's own steam
• under one's thumb
• under one's very nose
• underpaid
• under pain of
• underpainting
• underpaintings
• underpants
• underpart
• underparts
• underpass