conquistador vs adventurer

conquistador and adventurer both are nouns.

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

As nouns, adventurer is a hypernym of conquistador; that is, adventurer is a word with a broader meaning than conquistador:

conquistador: an adventurer (especially one who led the Spanish conquest of Mexico and Peru in the 16th century)
adventurer: someone who travels into little known regions (especially for some scientific purpose)

Other hypernyms of conquistador include explorer.

conquistador (noun)	adventurer (noun)
an adventurer (especially one who led the Spanish conquest of Mexico and Peru in the 16th century)	a person who enjoys taking risks
	someone who travels into little known regions (especially for some scientific purpose)