Popish is a derogatory slang term used an adjective to describe a thing as belonging to or characteristic of Roman Catholicism. May also be used as an insult to describe a thing as being like a Catholic item.
Papist is a derogatory slang term used a noun, a term for a Roman Catholic. Calling a Catholic a papist is equivalent to calling a black person a n-word.
They are both similar in that using them orally or written shows ones ignorance and bigotry.
Miles Prance has written: 'Mr. Prance's answer to Mrs. Cellier's libel, and divers other false aspersions cast upon him' 'L'Estrange a papist' 'A true narrative and discovery of several very remarkable passages relating to the horrid Popish plot' -- subject(s): Popish Plot, 1678
By referring to his Catholic friend as the papist, John should how much of an insensitive bigot he truly was.
1 No such bar exists; the Act of Settlement 1700 forbids succession to the Throne of anyone who marries a papist. 2 Are the other fifty-six also papists known to the vicar and churchwardens? 3 It was in this year that he became a Papist. MC
It is an insulting term for someone who is a Roman Catholic.
A View of Popish Abuses yet remaining in the English Church was created in 1572.
Protestant.
Protestant
A bigoted protestant.
Titus Oates.
RICHARD BEAN has written: 'HYPOCHONDRIAC'
He is Protestant.
if you mean the religion who's head is called the 'pope' then Catholicism. Its a branch of Christianity.