Rainville rhymes with:
mainville, bentonville, bougainville, bournonville, buttonville, crotonville, danville, faymonville, glanville, jacksonville, mainville, mcconville, stephenville, steubenville, watsonville
Rainville sounds like:
rainfall, ramble, rampell, rampley, removable, removal, rempel, renewable, roomful, rumble, rumbley, rumpel, rumple