- Off-center Adj. Adv. Verb
- Offend Verb
- Offer Subst. Verb Adj.
- Offer up Verb
- Office Subst. Adj. Verb
- Officer Subst. Adj. Verb
- Officialise Verb
- Officialize Verb
- Officiate Verb
- Offlap Subst. Verb Adj.
- Offline Adj. Adv. Subst. Verb
- Offload Verb Subst.
- Offprint Subst. Verb Adj.
- Offsaddle Verb Subst.
- Offset Subst. Verb Adj.
- Offshore Adj. Adv. Subst. Verb Part. Perf.
- Ogle Verb Subst. Part. Präs.
- Oil Subst. Verb Adj.
- Oink Inter. Subst. Verb
- OK Adj. Adv. Inter. Subst. Verb Eigenn.
- Okay Adj. Adv. Inter. Subst. Verb
- Olden Adj. Verb
- Oleate Subst. Verb Adj.
- Oleograph Subst. Adj. Verb
- Omen Subst. Verb
- Omit Verb
- Onboard Adj. Verb Adv.
- Onceover Subst. Verb
- One-up Verb Adj. Subst.
- Onlap Subst. Verb
- Oof Inter. Subst. Verb
- Ooh Inter. Verb Subst.
- Oomph Subst. Inter. Verb
- Oophorectomise Verb
- Oops Inter. Subst. Adj. Verb
- Ooze Subst. Verb Adj.
- Ooze out Verb
- Opacify Verb Part. Perf.
- Opalesce Verb
- Opaque Adj. Subst. Verb
- Ope Inter. Verb Part. Perf.
- Open Adj. Subst. Verb Adv.
- Open along Verb
- Open around Verb
- Open back Verb
- Open down Verb
- Open in Verb
- Open off Verb
- Open on Verb
- Open out Verb
- Open over Verb
- Open up Verb
- Opencast Adj. Subst. Verb
- Operate Verb
- Operate along Verb
- Operate around Verb
- Operate in Verb
- Operate off Verb
- Operate on Verb
- Operate over Verb