Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Latin ops
Ancient Greek ὄμπνη (mention)
Proto-Indo-European *h₃ep- (root)
Proto-Indo-European *h₃ep-(i)- (derived)
Proto-Indo-European *h₃op-(i)- (mention)
Proto-Indo-European *h₃ep- (mention)
Latin omnis (mention)
Latin optimus (mention)
Latin opus (mention)
Sanskrit अप्नस् (mention)

English copy (mention)
English copious (mention)
English optimum (mention)
English opulent (mention)
English opulent (mention)
English Oscan (cognate)
English Osci (mention)
English opiparous (mention)
English opiferous (mention)
Irish cóip (mention)
Ancient Greek ἄφενος (cognate)
Indonesian kopi (mention)
Italian ufficio (mention)
Latin opus (mention)
Latin inops (mention)
Latin omnis (mention)
Latin copia (affix)
Latin optimus (mention)
Latin officium (mention)
Latin caupo (mention)
Latin opifex (suffix)
Latin opulentus (suffix)
Latin opitulor (mention)
Latin opulentitas (mention)
Latin Opsius (mention)
Norwegian Bokmål offiser (mention)
Norwegian Bokmål ABC-offiser (mention)
Norwegian Bokmål abc-offiser (mention)
Portuguese ótimo (mention)
Portuguese cópia (mention)
Sanskrit अपस् (mention)
Old Armenian ունիմ (mention)