Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Scottish Gaelic blàr
Proto-Celtic *blā (inherited)
Proto-Indo-European *bʰel- (inherited)
Old Irish blāro-s (inherited)

English Blair (derived)
Scottish Gaelic Blair (mention)
Scottish Gaelic blàran (suffix)