Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Icelandic frum-

→ Icelandic frumeind (affix)
→ Icelandic frumefni (affix)
→ Icelandic frumbyggi (affix)
→ Icelandic frumskógur (affix)
→ Icelandic frumlag (affix)
→ Icelandic frumvarp (affix)
→ Icelandic frumtala (affix)
→ Icelandic frumgermanska (affix)
→ Icelandic frumindóevrópska (affix)
→ Icelandic frumnorræna (affix)