What's the difference between contumelious and contumely?

Contumelious

Definition:

• (a.) Exhibiting contumely; rudely contemptuous; insolent; disdainful.
• (a.) Shameful; disgraceful.

Example Sentences:

Contumely

Definition:

• (n.) Rudeness compounded of haughtiness and contempt; scornful insolence; despiteful treatment; disdain; contemptuousness in act or speech; disgrace.

Example Sentences: