Answer:James Thurber uses many made-up words in "The Secret Life of Walter Mitty," but only two or three seem to qualify as examples of onomatopoeia, which is the creation of words that imitate natural sounds. The word "pocketa," which is always repeated at least three times with hyphens between each, is used in several of the fantasy episodes of the story. The first time is when Mitty is driving his wife to town on a shopping trip.
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