Gorgonian rhymes with:
oregonian, patagonian, amazonian, andonian, apollonian, babylonian, bostonian, caledonian, devonian, draconian, estonian, houstonian, jacksonian, jeffersonian, melkonian, newtonian, oregonian, patagonian, plutonian, simonian, smithsonian, usoniam, washingtonian
Gorgonian 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, graciano, graichen, grassman, grayson, graziani, graziano, greason, grecian, greeson, gregson, gresham, gressman, grierson, grignon, griscom, grisham, grishman, grissom, grisson, grogan, grosjean, grossman, grossmann, groussman, grozny, gruesome, gurkin