Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Dutch oer-
← German ur- (derived)
← Dutch oor- (cognate)
← Dutch oordeel (mention)
← Dutch oorkonde (mention)

→ English ur- (cognate)
→ English or- (mention)
→ Dutch oor- (mention)