Flasher rhymes with:
lasher, slasher, ascher, asher, ashur, basher, bashor, bashore, brasher, casher, dasher, frasher, hasher, lasher, slasher, smasher, thrasher
Flasher sounds like:
felger, felker, filigree, flashier, flaugher, fleeger, fleischauer, fleischer, fleischhacker, fleisher, flesher, flexer, flicker, fluker, folger, folker, fulcher