Decreased rhymes with:
increased, greased, increased, priest, trieste, bankeast, beast, ceased, deceased, east, feast, fleeced, greased, increased, keast, leased, least, northeast, pieced, policed, priest, released, se, southeast, teast, toniest, trendiest, trieste, unreleased, vannest, weast, yeast
Decreased sounds like:
desegregate, desegregated, digressed, discharged, discouraged, disgorged, disgraced