Argument by analogy is a type of argumentative technique where one concept is compared to another concept on the basis of their similarities. This technique is widely used in debates, discussions, and critical analysis. There are several synonyms that can be used to describe an argument by analogy, including comparative reasoning, analogy-based reasoning, metaphorical argument, and similar-case argument. These synonyms describe the process of drawing conclusions based on shared attributes between two concepts. The use of argument by analogy is particularly helpful in explaining complex ideas, highlighting similarities between concepts, and presenting a convincing argument. However, it is important to use the technique with caution as the comparison between the two concepts must be apt and accurate.