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 -achd
← Welsh -iaeth (cognate)
← Irish -acht (cognate)
← Manx -aght (cognate)
← Old Irish -acht (inherited)

→ English pibroch (mention)
→ Welsh -aeth (cognate)
→ Irish -acht (cognate)
→ Scottish Gaelic co-sheòrsachd (affix)
→ Scottish Gaelic Crìosdaidheachd (affix)
→ Scottish Gaelic drùisealachd (affix)
→ Scottish Gaelic baoiseachd (affix)
→ Scottish Gaelic measarrachd (affix)
→ Scottish Gaelic draoidheachd (suffix)
→ Scottish Gaelic òigheachd (affix)
→ Scottish Gaelic leatromachd (affix)
→ Scottish Gaelic bàrdachd (affix)
→ Scottish Gaelic naidheachd (affix)
→ Scottish Gaelic stuamachd (affix)
→ Scottish Gaelic dà-sheaghachd (affix)
→ Scottish Gaelic amaideach (mention)
→ Scottish Gaelic àrainneachd (affix)
→ Scottish Gaelic ailtireachd (affix)
→ Scottish Gaelic clò-ghrafachd (affix)
→ Scottish Gaelic litearrachd (affix)
→ Scottish Gaelic dìlleachdanachd (affix)
→ Scottish Gaelic uchd-mhacachd (affix)
→ Scottish Gaelic mì-fhaiceallachd (affix)
→ Scottish Gaelic meadhanachd (affix)
→ Scottish Gaelic freasdalachd (affix)
→ Scottish Gaelic brùidealachd (affix)
→ Scottish Gaelic dà-fhillteachd (affix)
→ Scottish Gaelic teachdaireachd (affix)
→ Manx -aght (cognate)