- actor
- afar
- afro
- aorta
- arco
- attar
- attract
- attractor
- carat
- carrot
- cart
- cataract
- coactor
- coatrack
- cofactor
- cork
- crack
- craft
- croak
- croc
- crock
- crook
- factor
- farro
- fart
- fora
- fork
- fort
- frack
- frat
- frock
- karat
- kart
- offtrack
- okra
- orator
- orca
- rack
- raft
- ratatat
- roar
- rock
- rococo
- roof
- rook
- root
- rotator
- roto
- rotor
- rotorcraft
- taro
- tarot
- tart
- tartar
- toro
- tort
- track
- tract
- tractor
- trot