plunger vs venturer

plunger and venturer both are nouns.

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

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

Other hypernyms of plunger include adventurer, gambler.

plunger (noun)	venturer (noun)
mechanical device that has a plunging or thrusting motion	a person who enjoys taking risks
hand tool consisting of a stick with a rubber suction cup at one end; used to clean clogged drains	a merchant who undertakes a trading venture (especially a venture that sends goods overseas)
someone who risks losses for the possibility of considerable gains
someone who dives (into water)