Grassman rhymes with:
rasmin, strassman, asman, bassman, classman, gassman, gassmann, hasman, hassman, lassman, massman, massmann, pasman, passman, rasmin, sassman, strassman
Grassman sounds like:
gargan, gargano, garrigan, garrison, garson, garzon, georgann, georgene, georgeson, georgian, georgiana, georgienne, georgina, georgine, gergen, gerken, gerkin, gershman, gershon, gershwin, gerson, goergen, gorgon, gorgone, gorgonian, graciano, graichen, grayson, graziani, graziano, greason, grecian, greeson, gregson, gresham, gressman, grierson, grignon, griscom, grisham, grishman, grissom, grisson, grogan, grosjean, grossman, grossmann, groussman, grozny, gruesome, gurkin