Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Irish éadach
← Old Irish étach (inherited)

→ Irish seoléadach (affix)
→ Irish mionéadach (affix)
→ Irish tuáilléadach (affix)
→ Irish fo-éadach (affix)
→ Irish taiséadach (affix)
→ Scottish Gaelic aodach (mention)