Rheumatoid rhymes with:
ackroyd, adenoid, alkaloid, amyloid, android, asteroid, aykroyd, boothroyd, celluloid, corticosteroid, hemorrhoid, holroyd, mongoloid, nedlloyd, oldroyd, ovoid, paranoid, polaroid, rhizoid, sinusoid, spheroid, unalloyed, vescinoid
Rheumatoid sounds like:
raimond, raimondi, raimondo, rained, ramada, ramat, rammed, ramonda, ramtha, rand, randa, randi, rando, randy, rant, ranta, ranted, rayment, raymond, raymonda, raymund, raymundo, raynet, rearmament, reined, remade, remained, remand, remanded, remediate, remedied, remedy, remind, reminded, remit, remitted, remnant, remote, renamed, renata, renate, renato, renaud, renda, rende, renewed, renita, rennet, renominate, renominated, renowned, rent, renta, rented, reorient, reorientate, reunite, reunited, rewind, reynaud, rhonda, rhymed, riendeau, rimmed, rinaudo, rind, rindt, riunite, roamed, romito, ronda, rondeau, roommate, round, rounded, roundhead, roundy, rowand, rowenta, ruined, ruminant, ruminate, ruminated, rund, runde, runte, rwanda