cauline vs phytology

cauline is not a noun while phytology is a noun.

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

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

cauline (adjective)	phytology (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