- on your mind
- on your own
- on your own account
- on your own head be it
- on your (own) head be it
- on your own terms
- on-your-part
- on your Pat Malone
- on your person
- on your soapbox
- on your/the/its way
- on your tod
- on your uppers
- on-your-uppers
- on your way
- onyx
- onyxes
- on–air
- on–ramp
- on–screen
- oodles
- oodleses
- oodlins
- oo er
- oo-er