Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Welsh -aid
← Welsh -ad (link)
← Welsh -iaid (link)

→ Welsh nythaid (affix)
→ Welsh cwpanaid (affix)
→ Welsh dyrnaid (affix)
→ Welsh llwyaid (affix)
→ Welsh coflaid (affix)
→ Welsh cydaid (affix)
→ Welsh cynulleidfa (suffix)
→ Welsh llond (affix)
→ Welsh -eidiau (compound)
→ Welsh dysglaid (affix)
→ Welsh gwydraid (affix)