Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Icelandic leika
Proto-Germanic *laikaną (inherited)
Proto-Indo-European *leyg- (derived)
Old Norse leika (inherited)

Icelandic leikari (suffix)
Icelandic leikkona (compound)
Icelandic leikgerð (compound)
Icelandic leikstjóri (compound)
Icelandic leikbrúða (compound)