Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Danish spejl
German Spiegel (cognate)
Middle Low German spēgel (derived)
Old Danish speghæl (derived)
Icelandic spegill (cognate)
Latin speculum (derived)
Dutch spiegel (cognate)

Danish spejle (suffix)
Danish troldspejl (affix)
Danish spejlæg (compound)