What's the difference between peeress and seeress?

Peeress

Definition:

• (n.) The wife of a peer; a woman ennobled in her own right, or by right of marriage.

Example Sentences:

• (1) She was made a life peeress in 2010 and became leader of the opposition in the House of Lords in May 2015.

Seeress

Definition:

• (n.) A female seer; a prophetess.

Example Sentences: