Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Finnish perata
← Finnish pärjätä (mention)
← Proto-Finnic *pergat'ak (inherited)
← Proto-Germanic *berganą (derived)

→ Finnish perkeet (suffix)
→ Finnish perkuu (suffix)
→ Finnish perkaus (affix)
→ Finnish perkaaja (affix)
→ Finnish perkiö (affix)
→ Finnish perkaaminen (affix)