Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Walloon avou
← French avec (cognate)
← Old French avoc (derived)
← Old French avoec (mention)
← Old French avuec (mention)

→ French avec (mention)
→ Norman aveuc (cognate)
→ Bourguignon aivô (cognate)
→ Champenois aveu (cognate)