Backwaters rhymes with:
pinkwater's, fitzwater's, floodwaters, goldwater's, headwaters, pinkwater's, whitewater's, fitzwater's, floodwaters, goldwater's, granddaughter's, granddaughters, headwaters, pinkwater's, stepdaughters, whitewater's
Backwaters sounds like:
babysitters, backdoors, backstairs, backstroke, backtrack, backtracks, bacteria's, bastarache, baxter's, boisterous, bookstores, booster's, boosters, busters