Sediments rhymes with:
impediments, condiments, impediments, argument's, arguments, armaments, complements, condiments, documents, elements, experiment's, experiments, filaments, impediments, implements, increments, instrument's, instruments, instruments', ligaments, monuments, ornaments, parliament's, parliaments, predicaments, regiments, sacraments, sentiments, supplements, temperaments, tenements, testaments, tournament's, tournaments
Sediments sounds like:
sixteenths, standex, standish, standouts, stands, statement's, statements, steinmetz, stendig, stentz, stints, student's, students, students', stunts, stuntz, systematic, systematics