Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Latin -uus
Proto-Indo-European *-wós (mention)
Proto-Indo-European *-wōs (mention)

English propinquity (affix)
Latin propinquus (affix)
Latin mortuus (mention)
Latin longinquus (compound)
Latin arduus (mention)
Latin irriguus (affix)
Latin conspicuus (affix)
Latin ingenuus (affix)
Latin occiduus (affix)
Latin riguus (affix)