paired vs botany

paired is not a noun while botany is a noun.

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

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

paired (adjective)	botany (adjective)
of leaves etc; growing in pairs on either side of a stem
occurring in pairs or as a pair
matched for breeding