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

→ Irish saolaí (affix)
→ Irish saolaigh (suffix)
→ Irish saolach (affix)
→ Irish saolmhar (affix)
→ Irish gearrshaolach (affix)
→ Manx seihll (cognate)