Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Proto-Indo-European *-os

English dhoop (derived)
Ancient Greek -ος (inherited)
Ancient Greek -ος (inherited)
Ancient Greek -ου (derived)
Ancient Greek -ης (mention)
Ancient Greek -εινός (mention)
Proto-Hellenic -ειν (inherited(grk-pro/grc))
Latin -or (mention)
Latin -us (inherited)
Latin -ere (inherited)
Lithuanian -o (cognate)
Norwegian Bokmål -on (derived)
Norwegian Bokmål aceton (derived)
Norwegian Bokmål kjønn (mention)
Old Persian 𐎠𐎼𐏁𐎠𐎶 (affix)
Polish sąd (mention)
Sanskrit लोप (suffix)
Sanskrit -अ (inherited)
Sanskrit -अस् (inherited)
Old Armenian -ոյ (mention)