Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Finnish ehtoo
Estonian õhtu (cognate)
Proto-Finnic *ektago (inherited)
Northern Sami ikte (cognate)
Votic õhtago (cognate)

Finnish ehtoollinen (suffix)
Finnish ehtoopalvelus (compound)
Finnish ehtoopuoli (affix)