Types of Word Formation used in Chapter Sixteen of Harry Potter and the Sorcerer’s Stone Novel Written by J. K. Rowling

Word formation is the process of creating new words based on the word itself, or the other words. It means the new words can be created by shortens the words itself, combining them to the other words, add affixes to give grammatical information, etc. The aim of this study is to know the types of word formation used in a literary work, in this case, a novel. The object of this study is chapter sixteen of Harry Potter and the Sorcerer‟s Stone novel written by J. K. Rowling. The data were analyzed using O’Grady & Archibald theory about word formation. The result shows that 340 words have word formation process found in chapter sixteen of Harry Potter and the Sorcerer‟s Stone novel. It is classified into five types, they are inflection, a process that adds grammatical information to existing words; suppletion, a total change of the root of words; derivation, a process that uses affixes to create new words with different meaning and/or category from its base; cliticization, a process of a word becomes a clitic; and compounding, a process of creating new words by combining two or more existing words.