- Apologist Noun
- Apologize Verb
- Apologizer Noun
- Apologizing Noun Pres. Participle
- Apologue Noun
- Apology Noun Adj
- Apomict Noun
- Apomictic Adj
- Apomictical Adj
- Apomictically Adv
- Apomixis Noun
- Apomorphine Noun Adj
- Aponeurosis Noun
- Aponeurositis Noun
- Aponeurotic Adj
- Apopemptic Adj Noun
- Apopetalous Adj
- Apophasis Noun
- Apophony Noun
- Apophthegm Noun
- Apophyge Noun Adj
- Apophyllite Noun Adj
- Apophysary Adj
- Apophyseal Adj
- Apophysial Adj
- Apophysis Noun
- Apophysitis Noun
- Apoplectic Adj Noun
- Apoplectical Adj
- Apoplectically Adv
- Apoplectoid Adj Noun
- Apoplexy Noun
- Apoprotein Noun Adj
- Apoptosis Noun
- Aporepressor Noun
- Aporia Noun
- Aporphine Noun Adj
- Aport Adv
- Aposafranine Noun Adj
- Aposematic Adj
- Aposepalous Adj
- Aposiopesis Noun
- Apospory Noun
- Apostasy Noun
- Apostate Adj Noun
- Apostatise Verb
- Apostatize Verb Past Participle Pres. Participle
- Apostil Noun Verb Past Participle
- Apostille Noun Verb Past Participle
- Apostle Noun
- Apostleship Noun
- Apostolic Adj Noun
- Apostolical Adj
- Apostrophe Noun Verb Adj
- Apostrophes Noun
- Apostrophic Adj
- Apostrophise Verb Past Participle Pres. Participle
- Apostrophize Verb
- Aposyndectic Adj
- Aposyndetic Adj