infirmity vs valetudinarianism

infirmity and valetudinarianism both are nouns.

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

As nouns, infirmity and valetudinarianism are synonyms defined as:

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

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

infirmity (noun)	valetudinarianism (noun)
the state of being weak in health or body (especially from old age)	the state of being weak in health or body (especially from old age)