Cromwell's rhymes with:
brazzaville's, brooksville's, churchill's, colleville's, dansville's, farrell's, fibriles, granville's, manville's, monfils, nevills, pannill's, pendril's, penn-hills, personals, powell's, rachels, sheathbills, tocqueville's
Cromwell's sounds like:
caramelize, chronologies, chronology, cornelious, cornelius, cornell's, corniel's, cornwall's, cornwallis, crenwelge, criminal's, criminalize, criminals, criminals', criminology, crownlike