botany vs mown

botany is a noun but mown is not a noun.

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

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

botany (adjective)	mown (adjective)
	(used of grass or vegetation) cut down with a hand implement or machine