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

→ French agacer (inherited)
→ French aigu (inherited)
→ French aigu (mention)
→ French aiguiser (mention)
→ Middle French agu (inherited)
→ Norwegian Bokmål aigu (derived)
→ Norman aîdgu (inherited)