question vs examine

question is a noun but examine is not a noun.

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

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

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

question (noun)	examine (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)	examine (verb)
pose a question	consider in detail and subject to an analysis in order to discover essential features or meaning
challenge the accuracy, probity, or propriety of	question closely
place in doubt or express doubtful speculation	question or examine thoroughly and closely
pose a series of questions to	observe, check out, and look over carefully or inspect
conduct an interview in television, newspaper, and radio reporting	put to the test, as for its quality, or give experimental use to