To quit, or cease, an addiction

The Quit India Movement

To quit, or resign from, one's job or in general any activity being performed

Bobby Petrino (aparently known for resigning repeatedly)

An "I Quit" match in wrestling

Quitting, a Chinese film

Acquit (pronounced A-quit)

The activist group QUIT!

The word stop has several possible meanings in the English language, but most commonly means to cease moving. Additionally, stop can refer...

To quit, or drop, a habit or hobby

An abbreviation of grassquit, a small bird of the tropical Americas.