Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Portuguese oito
Proto-Indo-European *oḱtṓw (inherited)
Latin octō (inherited)
Old Portuguese oito (inherited)
Old Portuguese oyto (mention)

Corsican ottu (cognate)
Spanish ocho (cognate)
Kabuverdianu oitu (derived)
Guinea-Bissau Creole oitu (derived)
Portuguese ou oito, ou oitenta (mention)
Portuguese nem oito, nem oitenta (mention)