Proto-Slavic *jьskra

→ Belarusian іскра (inherited)

→ Bulgarian искра (inherited)

→ Czech jiskra (inherited)

→ Kashubian skra (inherited)

→ Old Church Slavonic искра (inherited)

→ Lower Sorbian škrja (inherited)

→ Upper Sorbian škra (inherited)

→ Macedonian искра (inherited)

→ Polish iskra (inherited)

→ Russian искра (inherited)

→ Serbo-Croatian искра (inherited)

→ Serbo-Croatian iskra (inherited)

→ Slovak iskra (inherited)

→ Slovene iskra (inherited)

→ Ukrainian яскравий (inherited)

→ Ukrainian іскра (inherited)