Examples: cartography card archaeology archetype monarchy legal loyal purse personal cinema kinase car carpenter hippopotamus Mesopotamia dative data date
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Romanian piatră
Ancient Greek πέτρα (derived)
Latin petra (inherited)

Romanian pietros (suffix)
Romanian împietri (affix)
Romanian Petre (mention)
Romanian pietroi (affix)
Romanian Petros (mention)
Romanian Petru (mention)
Romanian pietrar (suffix)
Romanian pietriș (suffix)
Romanian pietricică (suffix)
Romanian pietrărie (suffix)
Romanian piatră de moară (mention)
Romanian pietrui (suffix)
Romanian Piatra (mention)
Romanian Pietrele (mention)
Romanian Pietreni (affix)
Romanian Casa de Piatră (mention)
Romanian Valea Pietrei (mention)
Romanian Piatra Albă (mention)
Romanian Piatra Fântânele (mention)
Romanian Piatra Mică (mention)
Romanian Piatra Șoimului (mention)
Romanian Piscu Pietrei (mention)
Romanian Sub Piatră (mention)
Romanian Crucea de Piatră (mention)
Romanian Poiana Pietrei (mention)
Romanian Colțu Pietrii (mention)
Romanian Fața Pietrii (mention)
Romanian Piatra-Olt (mention)
Romanian Pietroasele (mention)
Romanian Pietroșița (affix)
Romanian Subpiatră (affix)
Romanian Pietriceaua (mention)
Romanian Piatra-Neamț (mention)
Romanian Dupăpiatră (affix)
Romanian Sântămăria de Piatră (mention)
Romanian Ohaba de sub Piatră (mention)
Romanian Frâncenii de Piatră (mention)
Romanian Petricica (mention)
Romanian Pietrăria (mention)
Romanian Chetroasa (affix)