pro 2 
(prō) Informal
(prō) Informal n. pl. pros
1. A professional, especially in sports.
2. An expert in a field of endeavor.
adj.
Professional: pro football.
- grease gun
- grease hand
- greaseless
- grease monkey
- greasepaint
- grease paint
- grease palm
- grease pencil
- greaseproof
- greaser
- grease someone's hand
- grease someone's palm
- grease (someone's) palm/hand
- greasewood
- greasily
- greasiness
- greasy
- greasy spoon
- great
- Great Abaco
- Great Alföld
- Great Alföld
- great ape
- great auk
- great-aunt