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 διπλόος
Ancient Greek δῐ́ς (affix)
Ancient Greek -πλόος (affix)
Proto-Indo-European *pel- (root)

English diplo- (mention)
English diploma (mention)
English diplodocus (mention)
English diploë (mention)
English diploe (mention)
Spanish diploide (derived)
Ancient Greek διπλόω (suffix)
Indonesian diploma (mention)
Italian diploide (derived)
Translingual Diplura (derived)
Norman diplôme (mention)
Portuguese diploide (derived)