The difference between Ham and Hamfatter

When used as nouns, ham means the region back of the knee joint, whereas hamfatter means a low-grade actor.

Ham is also verb with the meaning: to overact.

check bellow for the other definitions of Ham and Hamfatter

Ham as a noun (anatomy):

The region back of the knee joint; the popliteal space; the hock.
Ham as a noun (countable):

A thigh and buttock of an animal slaughtered for meat.
Ham as a noun (uncountable):

Meat from the thigh of a hog cured for food.

Examples:

"a little piece of ham for the cat"
Ham as a noun:

The back of the thigh.
Ham as a noun (internet, informal, uncommon):

Electronic mail that is wanted; mail that is not spam or junk mail.

Examples:

"ant spam"

Ham as a noun (acting):

An overacting or amateurish performer; an actor with an especially showy or exaggerated style.
Ham as a noun (radio):

An amateur radio operator.

Ham as a verb (acting):

To overact; to act with exaggerated emotions.

Hamfatter as a noun (US, _, slang, acting):

A low-grade actor; a ham.