Czech ob-

← Czech o (mention)

← Proto-Indo-European *h₃ebʰi (derived)

← Proto-Slavic *ob (inherited)

→ Czech obnovit (affix)

→ Czech obvinit (affix)

→ Czech období (affix)

→ Czech objevit (affix)

→ Czech obrat (mention)

→ Czech obrat (affix)

→ Czech obdržet (affix)

→ Czech obrys (prefix)

→ Czech bádat (link)

→ Czech obsluha (affix)

→ Czech obhájit (affix)

→ Czech obstarat (affix)

→ Czech obřezat (affix)

→ Czech obžera (affix)

→ Czech obstát (affix)