botany vs autophytic

botany is a noun but autophytic is not a noun.

Word	Noun	Adjective	Verb	Adverb
botany	Yes	No	No	No
autophytic	No	Yes	No	No

botany (noun)	autophytic (noun)
the branch of biology that studies plants
all the plant life in a particular region or period

botany (adjective)	autophytic (adjective)
	of or relating to organisms (as green plants) that can make complex organic nutritive compounds from simple inorganic sources by photosynthesis