A "dead ringer" is a slang term used for a person or thing that looks identical to someone else. Sometimes, we can use different words to express the same meaning as "dead ringer." For example, we could use the term "twin" to describe the same concept. Similarly, we could use "look-alike," "double," "clone," or "carbon copy." All of these words refer to something that looks or behaves the same way as something else, just like a "dead ringer." Using different words can help to add variety to our writing or speech and can make it more interesting to our audience.