Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Finnish patja
Estonian padi (cognate)
Finnish peti (doublet)
Proto-Finnic *patja (inherited)
Proto-Germanic *badją (derived)

Estonian padi (cognate)
Finnish peti (doublet)
Finnish höyhenpatja (affix)
Finnish olkipatja (compound)
Finnish uimapatja (compound)
Finnish sijauspatja (affix)
Finnish rantapatja (affix)
Finnish kumipatja (affix)
Finnish runkopatja (affix)
Finnish mamupatja (compound)
Finnish patjakangas (affix)
Finnish patjapussi (affix)
Finnish petauspatja (affix)
Finnish joustinpatja (affix)
Finnish retkipatja (affix)
Finnish futonpatja (affix)
Finnish jouhipatja (affix)
Finnish jousipatja (affix)
Finnish länkipatja (affix)