Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Irish ceart
← Latin certus (derived)
← Old Irish cert (inherited)

→ Irish mícheart (prefix)
→ Irish aincheart (prefix)
→ Irish ceartchreidmheacht (affix)
→ Irish ceartchreidmheach (affix)
→ Irish ceartchreideamh (affix)
→ Irish ceartaigh (affix)
→ Manx kiart (cognate)