Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Proto-Germanic *flukkaz

→ English flock (inherited)
→ Old English flocc (inherited)
→ Middle English flok (inherited)
→ Old French fulc (mention)
→ Old Swedish flokker (inherited)
→ Old Norse flokkr (derived)
→ Swedish flock (inherited)