Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
German trüb
English droff (cognate)
Proto-Germanic *drōbuz (inherited)
Middle High German trüebe (inherited)
Old High German truobi (inherited)
Dutch droef (cognate)

English trub (borrowed)
English droff (cognate)
German Trübsal (affix)
German naturtrüb (compound)
German Trübheit (affix)
German trübsinnig (compound)
Luxembourgish dréif (cognate)
Dutch troebel (cognate)
Dutch droef (cognate)