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

English Igor (mention)
English Vidar (mention)
English McCotter (mention)
Catalan Àlvar (compound)
Danish Hjalmar (mention)
Danish Herdis (mention)
Danish hær (derived)
German Heer (cognate)
Faroese herur (derived)
Old French hernois (derived)
Old High German heri (cognate)
Icelandic her (derived)
Italian arnese (mention)
Latvian karš (cognate)
Norwegian Bokmål hær (derived)
Norwegian Nynorsk hær (derived)
Norwegian Ragnar (mention)
Norwegian Joar (mention)
Norwegian Vidar (mention)
Norwegian Agnar (mention)
Norwegian Bjørnar (mention)
Norwegian Idar (mention)
Norwegian Magnar (mention)
Norwegian Runar (mention)
Old Norse einherjar (compound)
Old Norse Ívarr (mention)
Old Norse Hreiðarr (mention)
Old Norse Ragnarr (affix)
Old Norse Víðarr (affix)
Old Norse meginherr (compound)
Russian Игорь (mention)
Slovak Igor (mention)
Swedish här (derived)
Swedish Alvar (compound)
Swedish Hjalmar (mention)