Exegesis is a pivotal topic in linguistic studies, explored across multiple levels: phonetic, morphological, syntactic, and semantic, in addition to its connections with other disciplines.This study focuses on exegesis at the morphological level, aiming to define its nature by examining its causes from the perspectives of both the speaker and the listener.It also seeks to establish essential guidelines, document its manifestations in nouns and verbs, and detail the methodologies employed in its analysis.The study's significance lies in its contribution to enhancing the understanding and construction of speech, as well as comprehending the linguistic norms adhered to by Arabs in their expressions.