Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Finnish oppia
Proto-Finnic *oppidak (inherited)

Estonian õppima (cognate)
Finnish opettaa (mention)
Finnish opas (suffix)
Finnish opiskella (affix)
Finnish oppi (suffix)
Finnish oppi (link)
Finnish oppiminen (suffix)
Finnish opinnot (mention)
Finnish oppia kantapään kautta (mention)
Finnish oppivainen (affix)
Finnish oppija (affix)
Livvi oppie (cognate)