adventure vs risk

adventure and risk both are nouns.

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

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

Other hypernyms of adventure include lay on the line, put on the line.

As verbs, adventure and risk are synonyms defined as:

Other synonyms of adventure include chance, gamble, hazard, run a risk, take a chance, take chances.

adventure (noun)	risk (noun)
a wild and exciting undertaking (not necessarily lawful)	a venture undertaken without regard to possible loss or injury
	the probability of being exposed to an infectious agent
	the probability of becoming infected given that exposure to an infectious agent has occurred
	a source of danger; a possibility of incurring loss or misfortune

adventure (verb)	risk (verb)
put at risk	expose to a chance of loss or damage
take a risk in the hope of a favorable outcome	take a risk in the hope of a favorable outcome