| Word | Definitions | Synonyms |
|---|---|---|
| epizoan | (adjective) of or relating to epizoa | Synonyms: ectozoan |
| (noun) any external parasitic organism (as fleas) | Synonyms: ectoparasite, ectozoan, ectozoon, epizoon | |
| epizoic | (adjective) living or growing on the exterior surface of an animal usually as a parasite | - |
| epizoon | (noun) any external parasitic organism (as fleas) | Synonyms: ectoparasite, ectozoan, ectozoon, epizoan |
| epizootic | (adjective) (of animals) epidemic among animals of a single kind within a particular region | - |