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

Icelandic bylgjulengd (compound)
Icelandic bylgjufall (compound)
Icelandic örbylgja (compound)
Icelandic hljóðbylgja (compound)
Icelandic kuldabylgja (compound)
Icelandic hitabylgja (affix)