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 *hwilīkaz

English which (inherited)
English each (mention)
Old English æghwilc (mention)
Old English ælc (mention)
Old English hwelc (inherited)
Old English hwelc (mention)
Danish hvilken (derived)
German welche (inherited)
German welcher (inherited)
Middle Dutch welc (inherited)
Middle English which (inherited)
Westrobothnian hókken (derived)
Old High German welih (inherited)
Gothic 𐍈𐌹𐌻𐌴𐌹𐌺𐍃 (inherited)
Norwegian Bokmål hvilken (inherited)
Dutch elk (derived)
Dutch welk (inherited)
Old Saxon hwilik (inherited)
Scots whilk (inherited)
Swedish vilken (derived)
West Flemish wuk (inherited)
Yiddish וועלך (inherited)