Hallmarks rhymes with:
hallmark's, hallmark's, cellmark's, hallmark's, benchmark's, benchmarks, birthmarks, bismarck's, caremark's, cellmark's, denmark's, deutschemark's, deutschemarks, earmarks, hallmark's, hartmarx, landmark's, landmarks, pathmark's, raymark's, southmark's, trademarks, watermarks, westmark's
Hallmarks sounds like:
hallmark, hallmark's, helmerich, helmers