| Adsorption | adsorption |
| Absorption | absorption |
| adsorptiv | adsorptive |
| Sorption | sorption |
| Adoption | adoption affiliation |
| Adoration | adoration |
| Adaption | adaptation |
| Absolution | absolution |
| Adposition | adposition |
| Assertion | assertion affirmation averment |
| Malabsorption | malabsorption |
| Skorpion | scorpion Scorpio |
| adoptiv | adoptive |
| Adeptin | adepte |
| Deskription | description |
| Kaufoption | call option purchase option |
| Option | option |
| Suszeption | susception |
| Adumbration | adumbration |
| Annotation | annotation |