Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Old English loc
Middle English lok (link)
Middle English lokk (link)
Middle English lock (link)
Proto-Germanic *luką (inherited)

English lock (inherited)
English locker (inherited)
English locket (derived)
English Lockwood (derived)
English Lock (inherited)
Welsh lloc (derived)
German Loch (cognate)
French loquet (cognate)
Old French loc (borrowed)
Portuguese aloquete (derived)