question vs questioner

question and questioner both are nouns.

Word	Noun	Adjective	Verb	Adverb
question	Yes	No	Yes	No
questioner	Yes	No	No	No

question (noun)	questioner (noun)
uncertainty about the truth or factuality or existence of something	someone who asks a question
an instance of questioning
the subject matter at issue
a formal proposal for action made to a deliberative assembly for discussion and vote
a sentence of inquiry that asks for a reply
an informal reference to a marriage proposal

question (verb)	questioner (verb)
pose a question
challenge the accuracy, probity, or propriety of
place in doubt or express doubtful speculation
pose a series of questions to
conduct an interview in television, newspaper, and radio reporting