weigh vs weigher

weigh is not a noun while weigher is a noun.

Word	Noun	Adjective	Verb	Adverb
weigh	No	No	Yes	No
weigher	Yes	No	No	No

weigh (noun)	weigher (noun)
	an official who weighs and records the weight

weigh (verb)	weigher (verb)
show consideration for; take into account
determine the weight of
have a certain weight
have weight; have import, carry weight
to be oppressive or burdensome