cnidarian vs coelenterate

cnidarian and coelenterate both are nouns.

Word	Noun	Adjective	Verb	Adverb
cnidarian	Yes	No	No	No
coelenterate	Yes	No	No	No

As nouns, cnidarian and coelenterate are synonyms defined as:

cnidarian and coelenterate: radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms

cnidarian (noun)	coelenterate (noun)
radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms	radially symmetrical animals having saclike bodies with only one opening and tentacles with stinging structures; they occur in polyp and medusa forms