👉 In linguistics, interchangeability is a concept that refers to the ability of two or more words to be interchangeable in meaning. In other words, it means that the meanings of two words are identical, and can be used interchangeably without any distinction being made between them. For example, if we have two words "cat" and "dog," they both mean "animal" in this context. However, they can also be considered interchangeable because they both refer to a type of animal. Therefore,