Downward rhymes with:
inward, kenward, onward, sunward, winward, winword, afterward, awkward, aylward, backward, buzzword, carryforward, cloward, derward, dorward, durward, eastward, eduard, edward, forward, gatward, goward, hallward, harward, hayward, heyward, homeward, inward, kenward, landward, leeward, leftward, millward, milward, northeastward, northward, norward, onward, outward, poleward, rickward, rightward, seaward, shoreward, skyward, southward, straightforward, sunward, upward, wayward, westward, windward, winward, winword
Downward sounds like:
daynard, dehnert, demerit, demeritt, demurred, denard, denardo, denhart, dennard, diemert, dinardo, dinehart, downard, dunworth