(a) - (an)
- (a) 10 minutes' break for tea
- (a) 100 feet drop
- (a) abortive attempt
- (a) autumn flight of birds
- (a) babbling river
- (a) bachelor apartment
- (a) bachelor dinner
- (a) bachelor home
- (a) bachelor's degree
- (a) back bench
- (a) back door
- (a) back driver
- (a) back elevation
- (a) back entrance
- (a) back ground
- (a) back issue of a magazine
- (a) back number of a magazine
- (a) back order
- (a) back pain
- (a) back room
- (a) back seat
- (a) back street
- (a) back wheel
- (a) back yard
- (a) backbreaking work
- (a) backlog of debts
- (a) backlog of demand
- (a) backlog of orders
- (a) backlog of payments
- (a) backlog of work
- (a) backspace key
- (a) backward country
- (a) backward economy
- (a) backward pupil
- (a) bad accident
- (a) bad act
- (a) bad attack of cough
- (a) bad attack of this illness
- (a) bad break
- (a) bad breath
