Rhyming reduplication is a linguistic phenomenon found in various languages, including English. It involves the repetition of a word or phrase with a slight alteration, typically through the addition or substitution of sounds, resulting in a rhyming pattern. This playful linguistic device is often used to create catchy, memorable expressions, emphasizing certain qualities or characteristics. Rhyming reduplication in English adds a rhythmic and melodic quality to language, making it a popular technique in poetry, advertising slogans, and informal speech.