venturous vs venture

venturous is not a noun while venture is a noun.

Word	Noun	Adjective	Verb	Adverb
venturous	No	Yes	No	No
venture	Yes	No	Yes	No

venturous (noun)	venture (noun)
	any venturesome undertaking especially one with an uncertain outcome
	a commercial undertaking that risks a loss but promises a profit
	an investment that is very risky but could yield great profits

venturous (adjective)	venture (adjective)
disposed to venture or take risks

venturous (verb)	venture (verb)
	put forward, of a guess, in spite of possible refutation
	put at risk
	proceed somewhere despite the risk of possible dangers