Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Swedish de
Proto-Germanic *þai (inherited(sv/da))
Proto-Germanic *þai (inherited)
Old Norse þeir (inherited)

English the (cognate)
English they (cognate)
Swedish demobilisera (prefix)
Swedish defragmentera (prefix)
Swedish dekryptera (prefix)
Swedish degradera (prefix)
Swedish deaktivera (prefix)
Swedish dekonsekrera (prefix)