Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Czech dvoj-

→ Czech dvojtečka (affix)
→ Czech dvojklik (affix)
→ Czech dvojvaječný (affix)
→ Czech dvojjazyčný (affix)
→ Czech dvojhláska (affix)
→ Czech dvojmocný (affix)