hotspur vs adventurer

hotspur and adventurer both are nouns.

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

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

Other hypernyms of hotspur include venturer.

hotspur (noun)	adventurer (noun)
a rash or impetuous person	a person who enjoys taking risks
	someone who travels into little known regions (especially for some scientific purpose)