Bonum rhymes with:
sonum, aluminium, aluminum, annum, arcanum, barnum, branam, brannam, brannum, branum, bucknam, burnam, burnham, bynum, canam, debnam, denham, denim, denomme, dornam, downum, dunham, dunnam, duodenum, farnam, farnham, farnum, granum, greenham, hannam, hannum, interregnum, jeyaretnam, keenum, lanham, lannom, lanthanum, lanum, laudanum, linam, lynam, magnum, menem, mezhdumarodnom, molybdenum, newnam, obshchestvennom, organum, panem, phenom, platinum, plenum, putnam, puttnam, ranum, sonum, steinem, stoneham, swetnam, tottenham, tranum, tympanum, unum, vanname, vanornum, varnum, venom
Bonum sounds like:
b'nai, babin, babineau, babino, baboon, baham, bahama, bahamian, bahan, bahena, bahm, bahman, bahn, baim, bain, baine, bam, bame, ban, banana, bane, baney, banh, bania, bann, bannan, bannon, banoun, banya, banyan, banyu, bapna, baum, bauman, baumann, baun, bayman, bayne, baynham, bayonne, beahan, beahm, beam, beaman, beamon, bean, beane, beaubien, beavan, beaven, beavin, beem, beeman, been, beene, beeney, behan, behm, behn, behne, behney, behunin, beim, bein, bein', beine, beiny, bem, beman, bemoan, ben, bena, benami, bene, benham, benhamou, beni, benihana, benin, benn, benne, benney, bennie, bennion, benno, benny, beno, benoni, benoy, benway, benyamin, benyo, bevan, beven, bevin, beynon, biana, biehn, bien, bifano, bihm, bihn, bima, bimini, bin, bina, binion, binn, binney, binnie, biome, biven, biviano, bivin, bivona, boan, bobbin, boehm, boehme, boehne, boen, bohan, bohanan, bohannan, bohannon, bohanon, boheme, bohemia, bohemian, bohen, bohm, bohman, bohn, bohne, bohnen, bohon, boivin, bom, boman, bon, bona, bonanni, bonanno, bone, boney, bonham, boni, bonin, bonine, bonini, bonino, bonn, bonne, bonneau, bonnema, bonney, bonnie, bonnin, bonny, bono, bonomo, bony, boom, boon, boone, bouma, bouman, bouwman, boven, bovin, bovina, bovine, bovino, bowen, bowman, bowmen, bown, bowne, boyan, boyne, boyum, buena, bueno, bufano, buffin, buffone, buffoon, buffum, buhman, bum, bumann, bun, bunn, bunney, bunni, bunnie, bunny, bunyan, buonanno, buono, buonomo, byam, byham, bynoe, bynum, byun