The acronym FPU stands for many different things depending on the context. In the context of computing, FPU stands for Floating Point Unit, which is an essential part of the CPU that performs arithmetic and mathematical operations on floating-point numbers. Synonyms for FPU in this context include math unit, numeric coprocessor, and floating-point processor. In other contexts, FPU can stand for Family Protective Unit, Financial Peace University, or Federal Protective Units. In these contexts, synonyms for FPU might include family safety unit, financial education program, or federal law enforcement division. Overall, the synonyms for FPU vary widely depending on the context in which it is used.