Isoäiti, iso being grand and äiti mother. "ä" is pronounced like you pronounce the "a" in the word that.
There are also less formal words for grandmother, like "mummo", "mummu" or "mummi".
Isoäiti
But she can also be called a "Mummi" or "Mamma". It depends on her own opinion.
isoisä
"Isotäti". "I - so - tä - ti"
Isoäiti
Fammu
In Farsi, you would say "Mamāni" for grandma.
In Sicilian, you would say "nonna" to refer to grandma.
To say "I love you grandma" you can say "Te quiero abuela" in Spanish or "Je t'aime mamie" in French.
"Grandma" in Visayan is "Lola."
In French, children say "grandpa" as "papi" and "grandma" as "mamie".
Tatarabuela rebisabuela Bisabuela --- great grandmother
Atika is grandma that is what i know.
Grandma in Slovakian is "babka."
Grandma in Tagalog is "lola".
Grandma in Swahili is "Bibi".
In Cambodian, you say "ក្តាម" (pronounced kteahm) to refer to a grandma.
Grandma- Grandmére Grandpa-Grandpére