| Word | Definitions | Synonyms |
|---|---|---|
| epizoan | (adjective) of or relating to epizoa | Synonyms: ectozoan |
| epizoic | (adjective) living or growing on the exterior surface of an animal usually as a parasite | - |
| epizootic | (adjective) (of animals) epidemic among animals of a single kind within a particular region | - |