| Absorption | absorption |
| Adsorption | adsorption |
| Absolution | absolution |
| Sorption | sorption |
| Absorptionslinie | absorption line |
| Malabsorption | malabsorption |
| Abstraktion | abstraction |
| adsorptiv | adsorptive |
| Adoption | adoption affiliation |
| Aberration | aberration |
| Abjuration | abjuration |
| Abolition | abolition |
| Abrogation | abrogation |
| Adoration | adoration |
| Assertion | assertion affirmation averment |
| Absolutiv | absolutive case |
| Abspritzen | skeet |
| abspritzen | cum |
| Absolutist | absolutist |
| Skorpion | scorpion Scorpio |