| Algologie | algology |
| Algolagnie | algolagnia |
| Egologie | egology |
| Aerologie | aerology |
| Areologie | areology |
| Arkologie | arcology |
| Auxologie | auxology |
| Abiologie | abiology |
| Apologie | apology apologia |
| Axiologie | axiology |
| Ätiologie | etiology aetiology |
| Algophobie | algophobia |
| Allergologie | allergology |
| -ologie | -ology |
| Albanologie | Albanology |
| Alkohologie | alcohology |
| Antrologie | arthrology |
| Aretologie | aretology |
| Audiologie | audiology |
| Balneologie | balneology |