phytology vs annual

phytology and annual both are nouns.

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

phytology (noun)	annual (noun)
the branch of biology that studies plants	a reference book that is published regularly once every year
	(botany) a plant that completes its entire life cycle within the space of a year

phytology (adjective)	annual (adjective)
	completing its life cycle within a year
	occurring or payable every year