Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
German dar-
Old High German dār (mention)

English there (mention)
German darüber (prefix)
German darunter (prefix)
German daraus (prefix)
German immerdar (compound)
German darob (prefix)
Luxembourgish duer- (cognate)