Paregmenon refers to the repetition of a word or phrase in a sentence or paragraph. Another synonym for paregmenon is epizeuxis, which refers to the immediate repetition of a word for emphasis. Polyptoton is another synonym, which refers to the repetition of words with different forms or tenses. Anadiplosis is a type of paregmenon that occurs when the last word or phrase of one sentence is repeated at the beginning of the next. Conduplicatio is another synonym that emphasizes the repetition of words or phrases for emphasis. Lastly, epanalepsis is a repetition of words at the beginning and end of a sentence or clause for emphasis. All of these synonyms help to convey a powerful message or emphasize a point through the use of repetition.