vigor vs sprightliness

vigor and sprightliness both are nouns.

Word	Noun	Adjective	Verb	Adverb
vigor	Yes	No	No	No
sprightliness	Yes	No	No	No

As nouns, sprightliness is a hypernym of vigor; that is, sprightliness is a word with a broader meaning than vigor:

Other hypernyms of vigor include life, liveliness, spirit.

vigor (noun)	sprightliness (noun)
active strength of body or mind	animation and energy in action or expression
an imaginative lively style (especially style of writing)
forceful exertion