stemmed vs botany

stemmed is not a noun while botany is a noun.

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

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

stemmed (adjective)	botany (adjective)
having a stem or stems or having a stem as specified; often used in combination
(of plants) producing a well-developed stem above ground
having the stem removed