| Allotrop | allotrope |
| allotrop | allotropic |
| Allotropie | allotropy |
| Azeotrop | azeotrope |
| azeotrop | azeotropic |
| Allofon | allophone |
| allophon | allophone |
| Allophon | allophone |
| Allograph | allograph |
| allegro | allegro |
| Heliotrop | heliotrope |
| anisotrop | anisotropic |
| autotroph | autotroph |
| auxotroph | auxotrophic |
| ionotrop | ionotropic |
| isotrop | isotropic |
| myotrop | myotropic |
| zytotrop | cytotropic |
| Albatros | albatross double-eagle |
| polytrop | polytropic |