Abdullahi, Usman Paiko2023-12-122023-12-122021-06-05A DISSERTATIOIM SUBMITTED TO THE SCHOOL POSTGRADUATE STUDIES, NASARAWA STATE UNIVERSITY, KEFFI, IN PARTIAL FULFILMENT OF THE REQUIREMENTS FOR THE AWARD OF DOCTORATE DEGREE OF PHILOSOPHY IN ARABIC LANGUAGE.https://keffi.nsuk.edu.ng/handle/20.500.14448/3131This thesis titled: “Conjugational and substitution Morphology in the Collections of Al-Sheikh Abubakr Bn Muhammad Alnufawy” the researcher attempts to give a historical background of the life og Al-sheikh Alnufawy his birth learning and occupation. There is also a theoretical study of morphology of conjugation and substitution in the collection, the thesis clearly highlights Arabic words which are duly affected by change in form of substitution through unveiling it lexical and etymological pattern as well as exposing the reader on the numerous sequence on the day to day usage of the Arabic words it pointed out how this conjugation and substitution manifested in the collections. It also differentiated how the word should be viewed as an entity and how it connotes a different meaning when used in a sentence this thesis is in two folds such that the reader can understand the word in its real context and by extension applying the rule of conjugation and substitution on it. The main findings is that the phenomenon of conjugational morphology appears in higher number than the substation morphology.otherThesis