Freshwater rhymes with:
backwater, breakwater, bridgewater, bywater, clearwater, coldwater, deepwater, drinkwater, fitswater, fitzwater, floodwater, goldwater, headwater, pinkwater, rainwater, sidewater, stillwater, tidewater, underwater, wastewater, whitewater
Freshwater sounds like:
fabricator, firstar, firstier, foerster, forecaster, forester, forestry, forister, forrester, forster, fracture, freighter, fruchter