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 leagh
Proto-Celtic *legāti (inherited)
English leak (cognate)
Irish leáigh (cognate)
Manx lheie (cognate)
Proto-Indo-European *leg- (derived)
Old Irish legaid (inherited)

Irish leáigh (cognate)
Manx lheie (cognate)