expose vs ventilate

expose is a noun but ventilate is not a noun.

Word	Noun	Adjective	Verb	Adverb
expose	Yes	No	Yes	No
ventilate	No	No	Yes	No

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

Other hyponyms of expose include insolate, solarise, solarize, sun, aerate, air, air out, overexpose, underexpose.

expose (noun)	ventilate (noun)
the exposure of an impostor or a fraud

expose (verb)	ventilate (verb)
abandon by leaving out in the open air	expose to cool or cold air so as to cool or freshen
expose while ridiculing; especially of pretentious or false claims and ideas	furnish with an opening to allow air to circulate or gas to escape
make known to the public information that was previously known only to a few people or that was meant to be kept a secret	give expression or utterance to
put in a dangerous, disadvantageous, or difficult position	circulate through and freshen
remove all or part of one's clothes to show one's body	expose to the circulation of fresh air so as to retard spoilage
to show, make visible or apparent
expose to light, of photographic film
expose or make accessible to some action or influence
reveal to view as by removing a cover