Cucumber rhymes with:
amber, amber's, bamber, bedchamber, camber, cambre, chamber, clamber, cumber, december, dismember, ember, encumber, gamber, humber, imber, kamber, kimber, limber, lumber, macomber, macumber, mccomber, mccumber, mcomber, member, misremember, nonmember, nov, november, number, outnumber, pember, remember, schamber, sember, september, slumber, somber, timber, timbre, unencumber
Cucumber sounds like:
camber, cambior, cambra, cambre, cambria, camper, campfire, campofrio, canberra, canevari, canfor, chamber, cinnabar, comber, comfrey, compaore, compare, compher, compuware, confair, confer, conferee, confrere, conifer, conover, convair, convery, conveyer, conveyor, cumber