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
The Pilgrims were Separatists and the Puritans were non-separating Congregationalist.
Another difference was the time that they came, The Pilgrims came earlier in 1620 while the Puritans came later in 1629-30.
The Puritans were also mainly upper middle class while the pilgrims were part of the lower class.
