Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Old French forn

→ French four (inherited)
→ French fourneau (derived)
→ French fournil (derived)
→ Norman four (inherited)
→ Norman fou (inherited)
→ Old Occitan forn (cognate)
→ Walloon for (inherited)