Deepwater rhymes with:
backwater, breakwater, bridgewater, bywater, clearwater, coldwater, drinkwater, fitswater, fitzwater, floodwater, freshwater, goldwater, headwater, pinkwater, rainwater, sidewater, stillwater, tidewater, underwater, wastewater, whitewater
Deepwater sounds like:
debater, debator, debtor, depetro, depietro, diphtheria, dipietro, divider, doubter