Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Dutch ontrouw
Old English untrēow (cognate)
German Untreue (cognate)
Middle Dutch ontrouwe (inherited)
Middle Dutch ontrouwe (inherited)
English unfaithful (link)
English disloyal (link)
English infidelity (link)
English disloyalty (link)
Proto-Germanic *untriwwiz (inherited)
Proto-West Germanic *untriuwī (inherited)
Proto-West Germanic *untreuwu (inherited)
Dutch on- (affix)
Dutch trouw (affix)
Dutch on- (affix)
Dutch trouw (affix)
Old Dutch *untriuwi (inherited)
Old Dutch *untriuwa (inherited)

Dutch on- (link)
Dutch trouw (link)
Dutch trouw (link)