Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Finnish rikastua
Finnish rikas (suffix)
Finnish tua (suffix)
Finnish rikastaa (suffix)
Finnish ua (suffix)

Estonian rikastuma (cognate)
Finnish rikastuminen (affix)
Finnish rikastuma (affix)
Finnish rikastuttaa (affix)
Finnish äkkirikastua (compound)