zoological science vs brachiate

zoological science is a noun but brachiate is not a noun.

Word	Noun	Adjective	Verb	Adverb
zoological science	Yes	No	No	No
brachiate	No	Yes	Yes	No

zoological science (noun)	brachiate (noun)
the branch of biology that studies animals

zoological science (adjective)	brachiate (adjective)
	having arms or armlike appendages
	having widely spreading paired branches

zoological science (verb)	brachiate (verb)
	swing from one hold to the next