Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Icelandic sáð
Proto-Germanic *sēdiz (derived)
Old Norse sáð (derived)

Icelandic sáðlát (mention)
Icelandic sáðfruma (mention)
Icelandic sáðrás (affix)