When describing two people or things that are very similar, "two of a kind" is a common expression. However, there are several other phrases and terms that can be used in place of "two of a kind." For example, "birds of a feather" implies that two individuals share similar personalities or characteristics. "Cut from the same cloth" suggests that two people have a lot in common, particularly when it comes to their beliefs or experiences. Alternately, "peas in a pod" or "two peas in a pod" reinforces the concept of two entities that are identical or nearly identical. All of these phrases can be used interchangeably with "two of a kind" depending on the context.