Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
...
Proto-Indo-European *s(w)e-

English silf (derived)
German selbst (mention)
Middle English silf (derived)
Faroese sjálvur (mention)
Icelandic sjálfur (mention)
Norwegian Bokmål selv (mention)
Dutch zelf (mention)
Dutch zelf- (mention)
Norwegian Nynorsk sjølv (mention)
Norwegian sjav’e (mention)
Norwegian sjølv’u (mention)
Old Norse sjalfr (mention)
Swedish själv (mention)