The words "omit to do something" refer to forgetting or neglecting to accomplish a task. There are many synonyms that can be used in place of these words, including failing, neglecting, disregarding, overlooking, missing, and neglecting. Other options include omitting, disregarding, skimping, snubbing, overlooking, bypassing, and disregarding. Each of these synonyms carries a slightly different connotation, so it is important to choose the word that best fits the intended meaning. For example, "fail" might be used when someone intentionally does not do something while "overlook" might indicate a mistake or forgetfulness. Regardless of the chosen synonym, they all convey the same idea of a task that has not been completed.