pair vs conceive

pair is a noun but conceive is not a noun.

Word	Noun	Adjective	Verb	Adverb
pair	Yes	No	Yes	No
conceive	No	No	Yes	No

pair (noun)	conceive (noun)
two people considered as a unit
a set of two similar things considered as a unit
a poker hand with 2 cards of the same value
two items of the same kind

pair (verb)	conceive (verb)
engage in sexual intercourse	become pregnant; undergo conception
bring two objects, ideas, or people together	judge or regard; look upon; judge
arrange in pairs	have the idea for
occur in pairs
form a pair or pairs