What is the Swedish word for 'grandmother'?

Answer 1

Mormor/farmor. It depends if it´s your mothers mother or fathers mother. So mothers mother is mormor and fathers mother is farmor.
There are two answers Farmor means Fathers Mother (grandmother on the fathers side) and Mormor means Mothers Mother (grandmother on the mothers side) so it depends on whom you are talking about.

Answer 2

maternal grandmother = mormor

paternal grandmother = farmor