Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Icelandic fiðrildi
Old English fīffealde (cognate)
Old English fifealde (mention)
German Falter (cognate)
Proto-Germanic *fifaldǭ (derived)
Proto-Germanic *fīfildǭ (mention)
Middle High German viveltre (cognate)
Old High German fīvaltra (cognate)
Proto-Indo-European *pāpel- (derived)
Proto-Indo-European *pe(i)pel- (mention)
Icelandic fiður (cognate)
Latin pāpiliō (cognate)
Norwegian fivrelde (cognate)
Norwegian fibrelde (mention)
Old Norse fiðrildi (inherited)
Old Norse fífrildi (mention)
Old Norse fiðrildi (mention)
Old Norse fiðri (mention)
Old Norse fiðr (cognate)
Swedish fjäril (cognate)

German Falter (cognate)
Westrobothnian førel (cognate)
Icelandic fiðrildablóm (compound)
Swedish fjäril (cognate)