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 geamhradh
Proto-Celtic *gamur (inherited)
Proto-Indo-European *ǵʰey- (root)
Proto-Indo-European *ǵʰyem- (derived)
Old Irish gemred (inherited)

Scottish Gaelic grian-stad geamhraidh (compound)
Scottish Gaelic foghar (mention)
Scottish Gaelic geamhraich (suffix)