Rainer rhymes with:
brainer, braner, breighner, craner, cranor, drainer, graner, kraner, rayner, raynor, trainer, trainor, traynor
Rainer sounds like:
raimer, raineri, rainier, 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