Doest over is an old-fashioned phrase that means to repeat or do again. There are many synonyms for this phrase that can be used depending on the context of the sentence. Some of the most commonly used synonyms for doest over include redo, repeat, reiterate, iterate, and restate. All of these words convey the idea of doing something again in order to improve or perfect it. Other synonyms that are less commonly used but still hold the same meaning include carry out again, duplicate, replicate, and perform again. These synonyms allow a writer to add variety to their writing and avoid repetitive language.