What's the difference between bibber and bobber?

Bibber

Definition:

• (n.) One given to drinking alcoholic beverages too freely; a tippler; -- chiefly used in composition; as, winebibber.

Example Sentences:

Bobber

Definition:

• (n.) One who, or that which, bobs.

Example Sentences:

• (1) Bobber is a genetic disorder in the domestic turkey that is usually expressed between two and four weeks of age.