| Apokryphen | Apocrypha |
| Apokryphe | apocrypha |
| apokryph | apocryphal |
| Apokalypse | Apocalypse |
| Apokope | apocope |
| polyphon | polyphonic |
| Apokopat | jussive |
| Apophis | Apophis |
| apokopiert | apocopate |
| apoptogen | apoptogenic |
| Apokalyptik | apocalypticism |
| Apokarp | apocarp |
| apokarp | apocarpous |
| Apollyon | Apollyon |
| Apoplex | stroke apoplexy |
| Aporie | aporia |
| Apostroph | apostrophe |
| Krypte | crypt |
| Krypton | krypton |
| Koryphäe | leader prominent person coryphaeus |