he dosent like his grandson
I don't believe the order is relevant; however, I personally say "Grandma and Grandpa."
Grandma- Grandmére Grandpa-Grandpére
Grandpa - "Dziadek"; Grandma - "Babcia".
Grandpa - grandpere Grandma - grandmere
Given that grandma and grandpa are probably conceived as a unit, or partnership, rather than separately, I would favor the latter construction, grandma and grandpa's house. However, the other form would also be acceptable.
No. Grandpa refers to the male parent of your parent and grandma refers to the female parent
Grandma is "бабуся" (babusya) and grandpa is "дідусь" (didus).
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The antonym for grandma is typically grandson or granddaughter.
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A grandma is either your mother's mother or your father's mother.
Grandma in Greek is spelled γιαγιά (yiayia) and grandpa is spelled παππούς (pappous).