Difference between Valetudinarianism and Infirmity

What is the difference between Valetudinarianism and Infirmity?

Valetudinarianism as a noun is the condition of a valetudinarian; a state of feeble health; infirmity. while Infirmity as a noun is feebleness and frailty, especially due to old age.

We hope you now know whether to use Valetudinarianism or Infirmity in your sentence.