adventure vs attempt

adventure and attempt both are nouns.

Word	Noun	Adjective	Verb	Adverb
adventure	Yes	No	Yes	No
attempt	Yes	No	Yes	No

As verbs, attempt is a hypernym of adventure; that is, attempt is a word with a broader meaning than adventure:

Other hypernyms of adventure include assay, essay, seek, try.

adventure (noun)	attempt (noun)
a wild and exciting undertaking (not necessarily lawful)	earnest and conscientious activity intended to do or accomplish something
	the act of attacking

adventure (verb)	attempt (verb)
put at risk	enter upon an activity or enterprise
take a risk in the hope of a favorable outcome	make an effort or attempt