Rubbo rhymes with:
dubow, kubo, lubow, okubo, pinatubo, abo, albo, arbo, archambault, archambeault, balbo, barbo, baribeau, baydhabo, benbow, bibbo, bimbo, bobbo, bobo, bonobo, cabok, capalbo, carbo, clabo, cobo, colombo, columbo, corbo, cumbo, curbow, debo, debow, denbo, denbow, dolbow, dubow, dumbo, falbo, galbo, garbo, gebo, gilbo, globo, grabow, gumbo, gumbo-limbo, hanbo, hobo, ilbo, jacobo, jumbo, kerbow, kolbo, kubo, labo, labow, langbo, leabo, lebo, lembo, limbo, lobo, lubow, mambo, mancebo, montalbo, mumbo, nonturbo, oboe, okubo, palombo, palumbo, picabo, pinatubo, placebo, pombo, rambo, rambow, rebo, robo, sabo, sambo, scerbo, sebo, shambo, skibo, sorbo, stumbo, szabo, tambo, tebo, thabo, thibeault, toyobo, trumbo, turbo, turnbo, turnbow, ybarbo, zambo
Rubbo sounds like:
raab, raabe, raap, rab, rabb, rabbi, rabe, rabey, rabi, raboy, raby, raf, rafe, raff, raffa, raffi, raffo, rafi, raiff, rap, rape, rapp, rappa, rappe, rarefy, raub, raup, raupp, rave, ravi, rb, reap, rearview, reave, reba, rebbe, rebo, rebuff, reeb, reef, reep, reeve, ref, refah, reff, rehab, reif, reiff, rep, rep., repap, repay, reph, repo, repp, rev, reva, review, revive, revue, rib, riba, ribi, riebe, rief, riepe, rife, riff, riffe, riffey, rip, ripa, ripe, ripoff, ripp, rippe, rippee, rippey, rippy, riva, rob, robb, robbe, robbie, robby, robe, robey, robia, robie, robo, roby, roff, roffe, roof, roop, roope, rope, ropp, roupe, rove, rpf, rub, rubbia, rube, rubey, rubi, rubia, rubie, rubio, ruby, rueb, ruef, rueff, ruf, rufe, ruff, ruffo, rufo, rufow, ruoff, rupe, rupee, ruphy, rupiah, rupp, ruppe, ryava, ryave, ryba, ryobi