rosiness vs healthiness

rosiness and healthiness both are nouns.

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

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

rosiness: a rosy color (especially in the cheeks) taken as a sign of good health
healthiness: the state of being vigorous and free from bodily or mental disease

Other hypernyms of rosiness include good health.

rosiness (noun)	healthiness (noun)
a healthy reddish complexion	the state of being vigorous and free from bodily or mental disease
a dusty pink color
a rosy color (especially in the cheeks) taken as a sign of good health