The phrase "over again" can be replaced with several synonyms. "Repeating" means to do something again, "rerun" means to play something again, "reiterate" means to say something again, "recap" means to summarize something again, "redo" means to do something over, and "rehash" means to talk about something again. Other related words include "revisit," "review" and "renew." It's always helpful to have a few synonymous words up your sleeve so you can use them in place of ones you've used too often. Remember, variety is the spice of life!