Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Icelandic safn
English sam (link)
Proto-Germanic *samnōną (derived)
Icelandic safna (mention)
Old Norse safna (derived)
Old Norse samna (mention)

Icelandic bókasafn (compound)
Icelandic orðasafn (compound)
Icelandic safnheiti (compound)
Icelandic forritasafn (compound)
Icelandic minjasafn (affix)
Icelandic listasafn (compound)