phytology vs comate

phytology is a noun but comate is not a noun.

Word	Noun	Adjective	Verb	Adverb
phytology	Yes	No	No	No
comate	No	Yes	No	No

phytology (noun)	comate (noun)
the branch of biology that studies plants

phytology (adjective)	comate (adjective)
	bearing a coma; crowned with an assemblage of branches or leaves or bracts
	of certain seeds (such as cotton) having a tuft or tufts of hair