Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
English Esk
← Proto-Brythonic *Uɨsk (derived)
← English Axe (mention)
← English Exe (mention)
← English Usk (mention)

→ English Axe (mention)
→ English Exe (mention)
→ English Usk (mention)
→ English Eskbank (affix)
→ English Inveresk (affix)
→ English Eskdale (affix)