Rainier rhymes with:
auctioneer, bioengineer, conventioneer, domineer, dornier, dyneer, electioneer, engineer, guinier, imagineer, kneer, lanier, mcnear, mcneer, menear, minear, mutineer, near, neer, nir, pioneer, rayonier, reengineer, sneer, souvenir, veneer, wagoneer
Rainier sounds like:
raimer, rainer, raineri, ramer, ramiro, rammer, raneri, ranieri, raymer, rayner, raynor, rayonier, reamer, rehmer, reimer, reiner, reinheimer, remarry, remer, renier, renner, renoir, rhymer, rhyner, riemer, rimer, rimmer, rineer, rinehimer, riner, roemer, rohmer, rohner, romer, romero, roomier, rumer, rumery, rumor, rumore, rumour, runner, ryanair, rymer, ryner