Guster rhymes with:
adjuster, bluster, bruster, buster, cluster, custer, duster, fluster, huster, juster, kuster, luster, lustre, muster, shuster, thruster
Guster sounds like:
gadoury, gaidar, gaiter, gaither, gaster, gastro, gather, gatherer, gator, gaudreau, gauthier, gautier, gautreau, geidar, geister, gesture, geter, getter, gitter, godar, goiter, gooder, goodreau, goodroe, goodrow, goodyear, goostree, goudreau, guattery, guedry, guider, guidera, guidry, guitar, guitarro, gutherie, guthery, guthrie, gutter