I call my grandma badi ammi(moms side) and dado(dads side) lol. Grandfather I call nana abu(moms side) and dad side i dont remember Lol. This is in Urdu btw...lol.
I called my both grandma and grandad on mom's side "Tok", my grandad dad's side "Aki" (pronounce like "Akee") and grandma "Wan" (pronounce like one "want" minus the alphabet "t".
May Allah bless them.
Dads side : Oma ( Oma being Dutch ) and didnt ever see my grandfather on this side but would have called him Opu or something i cant remember the exact terminology my Oma said to use...
I call my grandma badi ammi(moms side) and dado(dads side) lol. Grandfather I call nana abu(moms side) and dad side i dont remember Lol. This is in Urdu btw...lol.