Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Spanish duro
Spanish dureza (link)
Spanish durar (link)
Spanish endurecer (link)
Spanish faltar el canto de un duro (link)
Spanish no importar lo duro (link)
Spanish no importar cuan duro (link)
Spanish nadie da duros a pesetas (link)
Spanish jugar duro (link)
Ancient Greek δηρός (cognate)
Proto-Indo-European (inherited)
Proto-Indo-European *dweh₂- (mention)
Proto-Italic *dūros (inherited)
Latin dūrus (inherited)
Old Spanish duro (inherited)
Sanskrit दूर (cognate)

English dour (cognate)
Aragonese duro (cognate)
Spanish duramente (affix)
Spanish endurecer (affix)
Spanish dictablanda (mention)
Spanish durísimo (suffix)
Spanish durito (affix)
Papiamentu duru (derived)