precocious vs phytology

precocious is not a noun while phytology is a noun.

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

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

precocious (adjective)	phytology (adjective)
characterized by or characteristic of exceptionally early development or maturity (especially in mental aptitude)
appearing or developing early