Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Old Irish cacc

→ Irish cac (inherited)
→ Irish cac (mention)
→ Scottish Gaelic cac (inherited)
→ Scottish Gaelic cac (mention)
→ Manx keck (inherited)
→ Manx keck (mention)
→ Latin caco (cognate)