Question

How did the Pilgrims differ from the Puritans?

Answer 1

While the Pilgrims were Separatists, the Puritans were non-separating Congregationalists 

Answer 2

While the Pilgrims were Separatists, the Puritans were non-separating Congregationalists -- they believed the Church of England was the one true church and they were loyal to England, but not in the way they worshipped