nainai 奶奶 for father's mother
popo 婆婆 for mother's mother.
In Chinese we often like to distinguish which side of the family the relative is from.
The word 'oma' in English is grandmother.
babyshka
abuelaanciana
ObaasanObachanSobais the informal form of grandmother in Japanese
chu
僧 Sēng
leng dong
犯罪.
hugnungnaniono 老
白 = white
火 huo
冰 bing