Proto-Slavic *kupiti

→ Belarusian купіць (inherited)

→ Bulgarian купя (inherited)

→ Czech koupit (inherited)

→ Old Church Slavonic коупити (inherited)

→ Upper Sorbian kupić (inherited)

→ Macedonian купи (inherited)

→ Polish kupić (inherited)

→ Romanian precupeț (mention)

→ Romanian cupeț (derived)

→ Russian купить (inherited)

→ Serbo-Croatian kupiti (inherited)

→ Serbo-Croatian купити (inherited)

→ Slovak kúpiť (inherited)

→ Slovene kupiti (inherited)

→ Ukrainian купити (inherited)

→ Old Czech kúpiti (inherited)