Russian срок

← Old East Slavic сърокъ (inherited)

← Proto-Slavic *sъrokъ (inherited)

→ Czech rok (cognate)

→ Polish rok (cognate)

→ Russian рок (mention)

→ Russian срочный (affix)

→ Russian отсрочить (affix)

→ Russian бессрочный (affix)

→ Russian рассрочка (affix)

→ Russian долгосрочный (affix)

→ Russian краткосрочный (affix)

→ Russian досрочный (affix)

→ Russian среднесрочный (affix)

→ Serbo-Croatian rok (cognate)

→ Serbo-Croatian рок (cognate)

→ Slovak rok (cognate)