What's the distinction of Morphology and Syntax? a Morphology is a branch in linguistics which studies the internal structure of words and the rules by which words are formed Syntax is a subfield of linguistics that studies the sentence structure of languageWhat’s the distinction of Morphology and Syntax? ◼ Morphology is a branch in linguistics which studies the internal structure of words and the rules by which words are formed. ◼ Syntax is a subfield of linguistics that studies the sentence structure of language