Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Luxembourgish Liicht
German Licht (cognate)
English light (cognate)
Proto-Germanic *leuhtą (inherited)
Old High German lioht (inherited)
Proto-Indo-European *lewk- (derived)
Dutch licht (cognate)

Luxembourgish Luucht (link)
Luxembourgish Daachliicht (compound)