Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Portuguese plano
Proto-Indo-European *pleh₂- (derived)
Latin plānus (borrowed)
Portuguese chão (doublet)

Latin planus (link)
Portuguese planear (affix)
Portuguese chão (doublet)
Portuguese chão (link)
Portuguese chão (doublet)
Portuguese planejar (suffix)
Portuguese planificar (suffix)
Portuguese aplanar (affix)
Portuguese planalto (compound)
Portuguese porão (doublet)
Portuguese plaino (mention)
Portuguese plaina (mention)
Portuguese planamente (affix)
Portuguese terraplanista (compound)