Mama
Mawmaw
Abuela
Mamada
A horse's grandmother is called a "great-granddam" or "great-grandmare."
Sheldon's grandmother called him Moonpie.
Your grandmother's mother would be your great-grandmother.
Your father's maternal grandmother is your great-grandmother.
In Twilight, Bella Swans Grandmother is called Gran.
Grandfather is called Daada and Grandmother is called Daadi
In Malayalam, grandmother is called "ammachi" or "achamma".
In Tamil, grandmother is called "பாட்டி" (Paati).
Paternal grandmother. Paternal = of the father, maternal = of the mother.
γιαγιά (yaya) =grandmother παππούς (papus) =grandfather
"Grandmother" in Tamil is called "பாட்டி" (Paatti).
The English language does not include a relationship called "great mother." It has terms "grandmother" (the mother of your father or of your mother) and great grandmother (the mother of one of your grandparents. The sister of your grandmother is your great aunt. The sister of your great grandmother is your great great aunt.