a-1 prefixa-2 prefix
a-a-1 /ə/ prefix 
1in a particular condition or way: 
aloud alive (=living) with nerves all a-tingle (=tingling)2old use in, to, at, or on something: abed (=in bed) afar (=far away)a-1 prefixa-2 prefix
a-a-2 /eɪ, æ, ə/ prefix not or without: amoral (=not moral) atypically (=not typically)- master-at-arms
- master bedroom
- MasterCard
- masterclass
- masterful
- masterfully
- master key
- masterly
- Mastermind
- mastermind
- Master of Arts
- Master of Business Administration
- master of ceremonies
- Master of Foxhounds
- Master of Science
- Master of the Rolls
- masterpiece
- master plan
- master race
- master's
- Masters and Johnson
- master's degree
- Masters Tournament
- masterstroke
- Masters, William Howell