How do you say authority in Belarusian?
— ўлада (ŭlada)

Generic synonyms for authority in Belarusian
bookкніга (f) (kníha)
soulдуша (f) (dušá)
Specialized synonyms for authority in Belarusian
advisorкансультант (kansul'tant)
armyармія (f) (ármija); войска (n) (vójska)
pashaпаша (m) (pašá)