- one who provides subsistence
- one who steers (a boat)
- of court
- one who deliberates
- one who commits rape or assaults criminally
- one of the four top_valued playing cards
- ornithorhynchus anatinus
- opening words of a song
- orlando di lasso
- on the turn
- out of elbow
- overhead bit
- operating expense
- operating cost
- overhead operation
- off day
- one who has achieved a victory or has triumphed over (e.g.
- one who sings devotional songs while delivering religious discourses
- ostentatiously
- old bag
- onion bagel
- outride
- outlet
- official document
- organise
- organize
- open up
- own
- option
- oncoming
- opening
- onset
- opener
- originate
- offset
- outdoor stage
- ordinary shares
- old_hat
- off_licence
- outwear
- ordain
- ornament
- outrun
- overhang
- outing
- osculate
- overfly
- orbison
- orbit period
- orbital cavity