adventuress vs venturer

adventuress and venturer both are nouns.

Word	Noun	Adjective	Verb	Adverb
adventuress	Yes	No	No	No
venturer	Yes	No	No	No

As nouns, venturer is a hypernym of adventuress; that is, venturer is a word with a broader meaning than adventuress:

Other hypernyms of adventuress include adventurer, adult female, woman.

adventuress (noun)	venturer (noun)
a woman adventurer	a person who enjoys taking risks
	a merchant who undertakes a trading venture (especially a venture that sends goods overseas)