Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Italian ottanta
Proto-Indo-European *oktōḱomt (inherited)
Proto-Indo-European *oḱto(w)-dḱomt (mention)
Latin octāgintā (inherited)
Latin octōgintā (mention)

Italian anta (mention)
Italian ottantenne (suffix)
Italian ottantuno (affix)
Italian ottantadue (affix)
Italian ottantatré (affix)
Italian ottantaquattro (affix)
Italian ottantacinque (affix)
Italian ottantasei (affix)
Italian ottantasette (affix)
Italian ottantotto (affix)
Italian ottantanove (affix)
Italian centottanta (affix)
Italian trecentottanta (affix)
Italian ottantamila (affix)