valetudinarianism vs feebleness

valetudinarianism and feebleness both are nouns.

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

As nouns, valetudinarianism and feebleness are synonyms defined as:

valetudinarianism and feebleness: the state of being weak in health or body (especially from old age)

Other synonyms of valetudinarianism include debility, frailness, frailty, infirmity.

valetudinarianism (noun)	feebleness (noun)
the state of being weak in health or body (especially from old age)	the quality of lacking intensity or substance
	the state of being weak in health or body (especially from old age)