phytology vs cauline

phytology is a noun but cauline is not a noun.

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

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

phytology (adjective)	cauline (adjective)
	especially of leaves; growing on a stem especially on the upper part of a stem
	(of plants) producing a well-developed stem above ground