epizoan vs ectozoan

epizoan and ectozoan both are nouns.

Word	Noun	Adjective	Verb	Adverb
epizoan	Yes	Yes	No	No
ectozoan	Yes	Yes	No	No

As adjectives, epizoan and ectozoan are synonyms defined as:

As nouns, epizoan and ectozoan are synonyms defined as:

Other synonyms of epizoan include ectoparasite, ectozoon, epizoon.

epizoan (noun)	ectozoan (noun)
any external parasitic organism (as fleas)	any external parasitic organism (as fleas)

epizoan (adjective)	ectozoan (adjective)
of or relating to epizoa	of or relating to epizoa