Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Lithuanian akmuo
Old Church Slavonic камꙑ (cognate)
English hammer (cognate)
Ancient Greek ἄκμων (cognate)
Proto-Balto-Slavic *ákmō (inherited)
Proto-Indo-European *h₂eḱ- (root)
Proto-Indo-European *h₂éḱmō (inherited)
Lithuanian ašmuo (doublet)
Latvian akmens (cognate)
Sanskrit अश्मन् (cognate)

Ancient Greek ἄκμων (cognate)
Latgalian akmiņs (cognate)
Polish kamień (cognate)
Sanskrit अश्मन् (cognate)