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 èirich
Proto-Celtic *regeti (derived)
Irish éirigh (cognate)
Manx irree (cognate)
Proto-Indo-European *h₃reǵ- (root)
Proto-Indo-European *h₃reǵ- (derived)
Middle Irish éirgid (inherited)
Old Irish at·reig (derived)

Irish éirigh (cognate)
Scottish Gaelic atharraich (cognate)
Manx irree (cognate)