- adman
- afterhours
- afternoon
- airhead
- airmail
- airplane
- airport
- anybody
- anyhow
- anymore
- anyone
- anyplace
- anything
- anytime
- anyway
- anywhere
- applesauce
- armrest
- armchair
- ashcan
- awesome
- awestruck
- babysit
- backache
- backboard
- backbone
- backbreaker
- backfire
- background
- backhand
- backlash
- backlog
- backpack
- backrub
- backslide
- backstop
- backstroke
- backtrack
- backup
- backwater
- backwoods
- bagboy
- baldheaded
- ballgame
- ballplayer
- bandmaster
- bandstand
- bankbook
- barefaced
- barnyard