Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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West Frisian soer
← West Frisian soerstof (link)
← Proto-Germanic *sūrą (inherited)
← Proto-West Germanic *sūr (inherited)
← Old Frisian *sūr (inherited)
← Old Frisian *sūr (inherited)

→ English sour (cognate)
→ West Frisian soerstof (compound)
→ Dutch zuur (cognate)