Mejor Respuesta - Seleccionada por quien preguntó.i am not sure, but i would say more than 80% and probably i am short. romanian is a latin language influenced by slavic languages sorrounding it and also contains some turkish words due to ottoman rule there some centuries ago. greek also had its chance and also a bit of albanian and hungarian. changing borders, religious background, foreign domination and mixture of population in some areas has made it. it is also remarkable the influence of french at the beginning of the xx century for technical, commercial and artistic terms, i guess because for romanian ears sounded familiar somehow.