Sanaz Ghaffari - PhD scholar, Linguistic Department, Aligarh Muslim University, India

The present paper shows the strong relation between Persian productivity of word formation with Urdu productivity. First of all, for the purpose of better understanding we have definition of what is morphological productivity in general with review of literature, second as all known productivity is a process and describe one of these process relates to semi – productivity and third introducing some data collection from Persian and Urdu productivity with their examples. not only there are some written words in Persian and Urdu productivity sample but also writing words with their pronunciation in Persian language, last but not least in every language around the world with analyzing words in morphological process can understand the number of lexicon almost in dictionaries of each language and sometimes even in their spoken language and finally can estimate that the degree of productivity on that destination language.

word formation – semi productivity – Persian – Urdu