feistiness vs adventurousness

feistiness and adventurousness both are nouns.

Word	Noun	Adjective	Verb	Adverb
feistiness	Yes	No	No	No
adventurousness	Yes	No	No	No

As nouns, adventurousness is a hypernym of feistiness; that is, adventurousness is a word with a broader meaning than feistiness:

Other hypernyms of feistiness include energy, get-up-and-go, push, venturesomeness.

feistiness (noun)	adventurousness (noun)
The quality or state of being tenacious, energetic, spunky.	the trait of being adventurous