adventure vs task

adventure and task both are nouns.

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

As nouns, task is a hypernym of adventure; that is, task is a word with a broader meaning than adventure:

Other hypernyms of adventure include labor, labour, project, undertaking.

adventure (noun)	task (noun)
a wild and exciting undertaking (not necessarily lawful)	a specific piece of work required to be done as a duty or for a specific fee
	any piece of work that is undertaken or attempted

adventure (verb)	task (verb)
put at risk	use to the limit
take a risk in the hope of a favorable outcome	assign a task to