Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Finnish keruu
← Finnish kerätä (suffix)
← Finnish uu (suffix)

→ Finnish aineksenkeruu (compound)
→ Finnish tiedonkeruu (affix)
→ Finnish jäkälänkeruu (affix)
→ Finnish munienkeruu (affix)
→ Finnish pihkankeruu (affix)