Prefixoidele and scholarly essay sufixoidele are elements that have entered into Romanian in Latin and Greek. Languages from which words have independent status and are recorded in dictionaries. Prefixoidele attached as a prefix before existing language word or root word before. Sufixoidele are affixes added after the root word. Derivatives with Prefixoide and Sufixoide are recorded i Romanian since the nineteenth century. In Romanian with lexemes entered they had in their structure. They are commonly found in the language of scientific, technical and publishing. Contemporary Romanian language, and especially in journalistic style, Sufixoidele and Prefixoidele are very productive due expressivity and brevity.