cirriped vs cirripede

cirriped and cirripede both are nouns.

Word	Noun	Adjective	Verb	Adverb
cirriped	Yes	No	No	No
cirripede	Yes	No	No	No

As nouns, cirriped and cirripede are synonyms defined as:

cirriped and cirripede: marine crustaceans with feathery food-catching appendages; free-swimming as larvae; as adults form a hard shell and live attached to submerged surfaces

Other synonyms of cirriped include barnacle.

cirriped (noun)	cirripede (noun)
marine crustaceans with feathery food-catching appendages; free-swimming as larvae; as adults form a hard shell and live attached to submerged surfaces	marine crustaceans with feathery food-catching appendages; free-swimming as larvae; as adults form a hard shell and live attached to submerged surfaces