Proto-Slavic *dъva

→ Belarusian два (inherited)

→ Bulgarian два (inherited)

→ Czech dva (inherited)

→ Kashubian dwa (inherited)

→ Old Church Slavonic дъва (inherited)

→ Lower Sorbian dwa (inherited)

→ Upper Sorbian dwaj (inherited)

→ Macedonian два (inherited)

→ Polish dwa (inherited)

→ Polabian dåvo (inherited)

→ Russian два (inherited)

→ Rusyn два (inherited)

→ Serbo-Croatian dva (inherited)

→ Serbo-Croatian два (inherited)

→ Slovak dva (inherited)

→ Slovene dva (inherited)

→ Silesian dwa (inherited)

→ Ukrainian два (inherited)