question vs debrief

question is a noun but debrief is not a noun.

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

As verbs, debrief is a hyponym of question; that is, debrief is a word with a more specific, narrower meaning than question:

Other hyponyms of question include enquire, inquire, wonder, interpellate, examine, pump, check out, feel out, sound out.

question (noun)	debrief (noun)
uncertainty about the truth or factuality or existence of something
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)	debrief (verb)
pose a question	put someone through a debriefing and make him report
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