There are several synonyms for the phrase "no difference" that can be used to express the same meaning. These include words such as identical, indistinguishable, same, equivalent, equal, alike, similar, and uniform. These synonyms are often used when comparing two or more things and finding that they are basically the same in terms of their qualities, characteristics, or attributes. They can also be used to describe situations where the outcome or result of two or more choices or options is essentially the same. Overall, using synonyms for "no difference" can help to make your writing or speech more varied and interesting, while still conveying the same meaning.