Czech vlk

← Proto-Balto-Slavic *wilkás (inherited)

← Proto-Indo-European *wĺ̥kʷos (inherited)

← Proto-Slavic *vьlkъ (inherited)

← Old Czech vlk (inherited)

→ Czech vakovlk (compound)

→ Czech vlčák (affix)

→ Czech vlčice (affix)

→ Czech vlčí (affix)

→ Czech vlkouš (affix)