phytology vs cymose

phytology is a noun but cymose is not a noun.

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

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

phytology (adjective)	cymose (adjective)
	having a usually flat-topped flower cluster in which the main and branch stems each end in a flower that opens before those below it or to its side