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 -ich
Proto-Celtic *-sagyetor (inherited)
Welsh -hau (cognate)
Irish -igh (cognate)
Old Irish -igidir (inherited)

Welsh -hau (cognate)
Irish -igh (cognate)
Scottish Gaelic rèitich (affix)
Scottish Gaelic ainmich (affix)
Scottish Gaelic àrdaich (affix)
Scottish Gaelic iasgaich (affix)
Scottish Gaelic slànaich (affix)
Scottish Gaelic fuaraich (affix)
Scottish Gaelic adhbharaich (affix)
Scottish Gaelic ùrlaraich (affix)
Scottish Gaelic uchd-mhacaich (affix)
Scottish Gaelic ainneartaich (affix)
Scottish Gaelic gràdhaich (affix)
Manx -ee (cognate)