Both of my grandmothers are dead unfortunately. I was very close to them both and miss them to this day. My maternal grandmother was Grandma Ruby (she drank like a fish, smoked like a factory, cussed like a sailor, and liked to cheat at cards). My paternal grandmother was Grandma Annie (she was the complete anithesis of Grandma Ruby).
Lilly, Queen of the Universe, calls my mother Grandma and my ex-wife’s mother Meemaw.
Grandma LastName and Grandpa LastName. All are dead except my mother’s mother and we commonly call her Granny Grunt.
When I was young I called them Grammy. As an adult it was Gram. Now that they have both passed, I don’t call them anything.
Mother’s parents:
Nanaji & Nanima - nanima being grandma.
Father’s parents:
Dadi-ama for my grandma, and Dadaji for grandfather.
I have to admit, one thing I love about my language is the ability to distinguish between every relationship in one word, rather than having to explain.
English is seriously deficient in suich relationship words. Even the ones that exist are unlovely and confusing (“second cousin, thrice removed”).
Latin is much better at having individual and differing words for relationships. But I think the most interesting is in Robert Heinlein’s novel Citizen of the Galaxy – everyone aboard a starsghip is related in a precise way to everyone else, with a unique term for each relationship (“seventh matrinlineal ortho-uncle”)