Proto-Slavic *bolěti

→ Belarusian балець (inherited)

→ Czech bolet (inherited)

→ Old Church Slavonic болѣти (inherited)

→ Lower Sorbian bóleś (inherited)

→ Macedonian боли (inherited)

→ Polish boleć (inherited)

→ Romanian boli (derived)

→ Russian болеть (inherited)

→ Serbo-Croatian boljeti (inherited)

→ Serbo-Croatian бол (inherited)

→ Serbo-Croatian boleti (inherited)

→ Serbo-Croatian бољети (inherited)

→ Serbo-Croatian болети (inherited)

→ Slovak bolieť (derived)

→ Slovene boleti (inherited)

→ Ukrainian боліти (inherited)