Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Welsh awyr
Proto-Brythonic *auɨr (inherited)
Ancient Greek ἀήρ (derived)
Latin āēr (derived)
Middle Welsh awyr (inherited)

Welsh awyren (suffix)
Welsh awyrgylch (compound)
Welsh maes awyr (compound)