Gruba rhymes with:
carrubba, votruba, yoruba, aruba, carrubba, chuba, cuba, duba, dziuba, guba, juba, kashuba, kaszuba, kouba, kuba, lissouba, luba, mitsuba, scuba, suba, szuba, tsukuba, tuba, votruba, yoruba, yuba, zaruba, zuba
Gruba sounds like:
garb, garbe, garbo, garibay, gariepy, garp, garvey, garvie, geography, giraffe, gorby, grab, grabau, grabbe, grabe, grabow, graboy, graef, graefe, graeff, graf, grafe, graff, graffeo, grape, graph, grave, gravy, greave, greb, grebe, grefe, greff, greif, greiff, greve, grieb, grief, griep, grieve, griff, griffee, griffey, griffie, griffo, griffy, grip, gripe, gripp, grippi, grippo, grob, grobe, groep, groff, groove, groovy, grope, gropp, groppy, group, groupe, groupie, grove, grub, grubb, grubby, grube, gruff, grupe, grupo, grupp, gruppo