What's the difference between valetudinarian and valetudinous?

Valetudinarian

Definition:

• (a.) Of infirm health; seeking to recover health; sickly; weakly; infirm.
• (n.) A person of a weak or sickly constitution; one who is seeking to recover health.

Example Sentences:

Valetudinous

Definition:

• (a.) Valetudinarian.

Example Sentences: