- Nub Noun Verb Adj
- Nubble Noun Verb Pnoun
- Nucleate Adj Verb
- Nudge Noun Verb Adj Pres. Participle Past Participle
- Nudge up Verb
- Nuke Noun Verb Adj
- Null Adj Noun Verb
- Nullify Verb
- Numb Adj Verb
- Number Noun Verb Adj
- Numerate Adj Verb
- Nunciate Verb
- Nuncupate Verb
- Nurse Noun Verb Adj
- Nursemaid Noun Verb Adj
- Nurture Noun Verb Adj Pres. Participle Past Participle
- Nut Noun Verb Adj
- Nutate Verb
- Nutmeg Noun Verb Adj
- Nutpick Verb Noun
- Nuzzle Verb Noun
- Nymph Noun Adj Verb
- O.D. Noun Verb
- O.K. Adj Adv Inter Noun Verb
- Oak Noun Adj Verb
- Oar Noun Verb Adj
- Oast Noun Verb Adj
- Oath Noun Inter Adj Verb
- Obduce Verb
- Obduct Verb Past Participle Pres. Participle
- Obdurate Adj Verb
- Obeah Noun Verb
- Obelise Verb
- Obelize Verb
- Obey Verb
- Obfuscate Verb Pres. Participle Past Participle
- Object Noun Verb Adj
- Objectified Past Participle Verb
- Objectify Verb Pres. Participle Past Participle
- Objurgate Verb
- Obligate Adj Verb
- Oblige Verb Past Participle Pres. Participle
- Oblique Adj Noun Adv Verb
- Obliterate Verb Adj Past Participle Pres. Participle
- Obnubilate Verb
- Obrogate Verb
- Obscure Adj Verb
- Obscured Past Participle Verb
- Observe Verb
- Obsess Verb
- Obsess over Verb
- Obsolete Adj Verb
- Obstinate Adj Verb
- Obstruct Verb
- Obtain Verb
- Obtemper Verb
- Obtest Verb
- Obtrude Verb
- Obtund Verb Past Participle
- Obturate Verb