underexpose vs expose

underexpose is not a noun while expose is a noun.

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

As verbs, expose is a hypernym of underexpose; that is, expose is a word with a broader meaning than underexpose:

As verbs, expose is a hypernym of underexpose; that is, expose is a word with a broader meaning than underexpose:

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

underexpose (verb)	expose (verb)
expose insufficiently	abandon by leaving out in the open air
expose to too little light	expose while ridiculing; especially of pretentious or false claims and ideas
	make known to the public information that was previously known only to a few people or that was meant to be kept a secret
	put in a dangerous, disadvantageous, or difficult position
	remove all or part of one's clothes to show one's body
	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