The phrase "doth something it" implies that someone or something is accomplishing a task or action. There are several synonyms for this phrase, including "performs," "executes," "carries out," "fulfills," and "completes." These words convey the idea of taking action and accomplishing a task, whether it be a simple or complex one. They can be used in various contexts, such as in the workplace, school, or personal life. Using synonyms can help to diversify one's vocabulary and make their writing or speaking more interesting and engaging.