Benchmarks rhymes with:
benchmark's, benchmark's, benchmark's, benchmark's, deutschemark's, deutschemarks, benchmark's, birthmarks, bismarck's, caremark's, cellmark's, denmark's, deutschemark's, deutschemarks, earmarks, hallmark's, hallmarks, hartmarx, landmark's, landmarks, pathmark's, raymark's, southmark's, trademarks, watermarks, westmark's
Benchmarks sounds like:
bankamerica, bankamerica's, benchmark, benchmark's