Morphological Terms in the Textbooks of Morphology: A study of their concepts Overlapping and Forms substitution: مُصْطَلَحَاتُ الصَّرْفِ العَمَلِي فِي كُتُبِ الصَّرْفِ دِرَاسَةٌ فِي تَدَاخُلِ مَفَاهِيمِها، وَتَنَاوُبِ الصِّيَغِ. (2019). Arab Journal of Sciences and Research Publishing , 5(3), 25-1. https://doi.org/10.26389/AJSRP.A180619