Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Irish cros
Proto-Indo-European *(s)ker- (root)
Latin crux (derived)
Old Irish cros (inherited)

Irish crosán (affix)
Irish crosaire (affix)
Irish crosaire (affix)
Irish cros- (mention)
Irish crosóg (affix)
Irish crosdealbhach (affix)
Irish crosach (affix)
Irish crosáil (affix)
Irish ardchros (affix)
Irish crosdiabhal (affix)
Irish crúbchrois (affix)
Irish croisín (affix)