There are several synonyms for the phrase "doest over again", and some of them include redo, repeat, reiterate, recreate, reenact, and replicate. Each of these synonyms conveys the idea of doing something again, whether it be an action or a process. In some cases, the implication is that the previous attempt was not successful, and there is a need to start again from scratch. In other cases, the purpose of doing something over again is to improve upon it or to reinforce its positive outcomes. Regardless of the reason, these synonyms all emphasize the importance of persistence and diligence in achieving success.