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 *wabōną

→ English waffle (inherited)
→ English wave (inherited)
→ English wave in (inherited)
→ Old English wafian (inherited)
→ German wabbeln (derived)
→ Middle English waven (inherited)
→ Icelandic ráfa (inherited)