wasting vs valetudinarianism

wasting and valetudinarianism both are nouns.

Word	Noun	Adjective	Verb	Adverb
wasting	Yes	No	No	No
valetudinarianism	Yes	No	No	No

As nouns, valetudinarianism is a hypernym of wasting; that is, valetudinarianism is a word with a broader meaning than wasting:

wasting: any general reduction in vitality and strength of body and mind resulting from a debilitating chronic disease
valetudinarianism: the state of being weak in health or body (especially from old age)

Other hypernyms of wasting include debility, feebleness, frailness, frailty, infirmity.

wasting (noun)	valetudinarianism (noun)
a decrease in size of an organ caused by disease or disuse	the state of being weak in health or body (especially from old age)
any general reduction in vitality and strength of body and mind resulting from a debilitating chronic disease