vitality vs healthiness

vitality and healthiness both are nouns.

Word	Noun	Adjective	Verb	Adverb
vitality	Yes	No	No	No
healthiness	Yes	No	No	No

As nouns, healthiness is a hypernym of vitality; that is, healthiness is a word with a broader meaning than vitality:

vitality: a healthy capacity for vigorous activity
healthiness: the state of being vigorous and free from bodily or mental disease

Other hypernyms of vitality include good health.

vitality (noun)	healthiness (noun)
the property of being able to survive and grow	the state of being vigorous and free from bodily or mental disease
an energetic style
(biology) a hypothetical force (not physical or chemical) once thought by Henri Bergson to cause the evolution and development of organisms
a healthy capacity for vigorous activity