Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Scots lood
Old English hlūd (derived)
English loud (cognate)
Middle English loud (inherited)
Middle English lud (mention)
Proto-Germanic *hlūdaz (derived)
Proto-Germanic *hlūþaz (mention)
Proto-Indo-European *ḱlewtos (derived)
Proto-Indo-European *ḱlew- (derived)

English loude (cognate)
Middle English loude (link)
Middle English loude (link)