avail vs exploit

avail and exploit both are nouns.

Word	Noun	Adjective	Verb	Adverb
avail	Yes	No	Yes	No
exploit	Yes	No	Yes	No

As verbs, exploit is a hypernym of avail; that is, exploit is a word with a broader meaning than avail:

Other hypernyms of avail include work.

avail (noun)	exploit (noun)
a means of serving	a notable achievement

avail (verb)	exploit (verb)
take advantage of	use or manipulate to one's advantage
take or use	draw from; make good use of
be of use to, be useful to	work excessively hard