venturer vs adventurer

venturer and adventurer both are nouns.

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

As nouns, venturer and adventurer are synonyms defined as:

venturer (noun)	adventurer (noun)
a person who enjoys taking risks	a person who enjoys taking risks
a merchant who undertakes a trading venture (especially a venture that sends goods overseas)	someone who travels into little known regions (especially for some scientific purpose)