Proto-Slavic *osmь

→ Belarusian восем (inherited)

→ Bulgarian осем (inherited)

→ Czech osm (inherited)

→ Kashubian òsmë (inherited)

→ Old Church Slavonic осмь (inherited)

→ Lower Sorbian wósym (inherited)

→ Upper Sorbian wosom (inherited)

→ Upper Sorbian wósom (inherited)

→ Macedonian осум (inherited)

→ Polish osiem (inherited)

→ Polabian visĕm (inherited)

→ Russian восемь (inherited)

→ Russian осьминог (inherited)

→ Rusyn вӱсям (inherited)

→ Serbo-Croatian osam (inherited)

→ Serbo-Croatian осам (inherited)

→ Slovak osem (inherited)

→ Slovene osem (inherited)

→ Silesian ôziym (inherited)

→ Ukrainian вісім (inherited)

→ Old Polish ośm (inherited)