Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Ancient Greek ὄρφνη
Proto-Germanic *erpaz (cognate)
Proto-Hellenic *orkʷʰnā (derived)
Proto-Hellenic *erkʷʰnos (mention)
Proto-Indo-European *h₁rgʷsno- (derived)
Proto-Indo-European *h₁régʷos (mention)
Russian рябо́й (cognate)
Proto-Slavic *arębъ (cognate)
Tocharian B - (cognate)
Tocharian B orkamo (mention)
Old Armenian արջն (cognate)
Tocharian A erkent- (cognate)
Tocharian A arkant- (mention)
Tocharian A orkäm (mention)

Ancient Greek ὄρφνινος (affix)
Ancient Greek ὀρφώς (mention)
Ancient Greek ὀρφνός (affix)
Old Armenian արջն (cognate)