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 gnàth
Proto-Celtic *gnātos (inherited)
Proto-Indo-European *ǵneh₃- (derived)
Old Irish gnáth (inherited)

Scottish Gaelic iongnadh (mention)
Scottish Gaelic deas-ghnàth (affix)
Scottish Gaelic mì-ghnàthas (confix)
Scottish Gaelic eadar-ghnàth (prefix)
Scottish Gaelic gnàthach (affix)