Waifer rhymes with:
wafer, hafer, kafer, lafer, safer, schaefer, schafer, schaffer, schlafer, shaefer, shafer, shaffer, wafer
Waifer sounds like:
wafer, waiver, waver, wavra, weaver, webber, weber, webre, weeber, wever, whobrey, whoever, whopper, wieber, wiper, woofer