The phrase "do bit" is commonly used as an idiom for completing a small task or taking care of something. There are several synonyms that can be used interchangeably for "do bit" including "take care of," "handle," "manage," "sort out," and "deal with." These words can be used in a variety of contexts and situations, from completing a simple household chore to handling a complex business issue. When seeking to convey the message of tackling a task, it is useful to have several synonyms for "do bit" at your disposal, so that you can communicate your message clearly and effectively.