In Ukrainian dialects, “grandfather” also goes by other names: дідо (Boyko dialect, Dniester dialect, Hutsul dialect, Lemko dialect, Nadsian (San) dialect, Pokuttia-Bukovyna dialect, Transcarpathian dialect).
In other languages: дідусь (Ukrainian), Großvater (German), grand-père (French), abuelo (Spanish), dziadziuś (Polish).