Bucko rhymes with:
stucco, abco, acapulco, acco, agrexco, agrico, airco, akiko, alamco, alanco, alberico, alco, aldaco, alleco, allocco, amedco, amerco, americo, amexco, amfesco, amico, amoco, ampco, amsco, anadarko, angelico, antico, aramco, arco, arico, arko, arocho, asarco, asko, atco, atlantico, avco, avemco, ayako, bairnco, balko, bamako, banco, banko, barco, barko, barkow, barraco, barranco, bartko, basco, beco, belasco, belko, benko, berko, bianco, bidco, bifulco, biko, bilko, blanco, blasco, blasko, bochco, bosco, bosko, boyko, bracco, bradco, branco, branko, brasco, brcko, breco, bricco, brisco, briscoe, brocco, bronco, brunkow, brusco, bucco, buchko, butchko, buteco, buttafuoco, calarco, camco, cameco, canonico, canseco, capobianco, carico, carolco, carranco, carrasco, carrico, casco, cavaco, ceco, chacabuco, chacko, cherico, chernenko, chirco, chirico, chonko, chriboniko, chrisco, chriscoe, cicco, cinco, ciriaco, cisco, citrosuco, climaco, cocco, cocoa, codelco, cogeco, cojuangco, coleco, comarco, comdisco, cominco, conchemco, conoco, conseco, copco, copelco, cordasco, costco, creko, crisco, crocco, cuco, cuoco, damico, danko, darco, davco, dayco, dececco, decicco, deco, defalco, defrancesco, defrancisco, defranco, defusco, delbarco, delbianco, delco, delgreco, dellarocco, delmonaco, delmonico, demarco, demicco, demko, denko, derocco, derrico, deruko, dibacco, dicecco, dicicco, dicocco, didomenico, difalco, difrancesco, difranco, dimarco, dirocco, disco, dofasco, domanico, domenico, domico, dorko, draco, dutko, dyco, easco, ebasco, echo, eco, economico, ekco, eko, el-greco, elco, elko, emco, endevco, enrico, ensco, enseco, epsco, errico, esco, evancho, evanko, exco, falasco, falco, falotico, federico, fedorko, ferko, fetsko, fiacco, fiasco, ficco, fico, fidelco, finalco, financo, fitzco, fosco, francesco, francisco, franco, franko, frasco, frederico, fresco, frisco, fulco, fuoco, fusco, gainsco, gamco, gecko, geico, gekko, gelco, gemco, genco, genesco, genisco, gerashchenko, gesco, giacco, giammarco, gianfrancesco, gianfranco, giovenco, glasco, glascoe, glassco, goyko, graco, gradco, grammatico, grecco, grecko, greco, gresko, grieco, gromyko, guarisco, hakko, halko, hanko, harsco, hecco, heico, heiko, heoroico, hubco, huntco, hybrienko, iannamico, inerco, insalaco, insco, insilco, insko, intelco, invesco, ipalco, ipco, ipsco, ivanko, ivanyenko, jacko, jaco, jafco, janco, janeczko, janko, janosko, jasko, junco, jusco, kalikow, kaneko, katsuhiko, kazuhiko, keiko, kepco, kimco, kisco, koko, kopko, kosco, kosko, krecko, krisko, kyoko, laaco, lacko, larocco, lascaux, lasco, lasko, leasco, leeco, leistikow, lesko, lethco, levchenko, lico, lilco, lisco, lisko, lobianco, lobosco, loco, lococo, lodico, lomonaco, lourenco, lucco, luckow, maaco, macko, maczko, magliocco, mako, mallightco, manasco, manco, maniscalco, manko, mapco, marasco, marchenko, marchinko, marcinko, marco, marcoe, maresco, marko, markow, marrocco, marsico, martinko, masahiko, masako, masco, matoco, matsko, mazzocco, mazzucco, mcconico, medco, menasco, mesko, mihalko, mikako, miko, milco, milko, minorco, minpeco, mironenko, misko, mlecko, mohasco, monico, montefusco, moorco, moresco, morocco, mosco, mosko, moskolenko, moskow, motzko, musco, nabisco, nacco, nafco, nalco, napco, narco, nasco, neco, neeco, nerco, nico, nikko, niko, nipsco, niriko, nolasco, noramco, norco, noreco, norelco, norenco, norenko, norinko, noverco, nuexco, odaiko, ontko, orbanco, orinoco, orosco, orozco, orrico, osco, oxoco, pacheco, pachinko, pacifico, paco, palco, palko, panaco, panebianco, panico, panko, pankow, pasco, pascoe, pasko, patco, pavelko, payco, peco, peko, pepsico, perko, persico, petko, picco, pico, pimco, pirko, placko, poco, polanco, popieluszko, popko, porco, posco, prisco, probasco, psycho, pubco, puerto-rico, putco, quantico, quinoco, rackow, radko, raiko, rajko, ranco, rasco, rascoe, ratko, reco, redco, refco, reichow, remco, renco, renko, repko, revco, ricco, richco, rico, ricoh, rinko, risko, ritacco, rocco, rockow, ronco, ronko, rosasco, roscoe, rosko, royko, runco, runko, ruocco, rusinko, sacco, saco, sadako, safeco, safko, sako, sammarco, san-francisco, sancho, sanko, saracco, savaiko, savko, seaco, seco, sedco, seiko, seko, senko, serco, serpico, shimko, shinko, shoko, shopko, sienko, sifco, simco, simko, sinko, sirko, sisco, siscoe, sisko, sitko, slifko, sofranko, sonoco, sopko, sparaco, stanco, stanko, stasko, stefanko, stefko, stelco, stofko, stucco, sunoco, susko, sysco, tabasco, taco, taiko, takako, talarico, talerico, tallarico, tallerico, teco, tedesco, telco, telesco, temco, tenneco, teruko, tesco, texaco, thermco, tierco, timko, tinoco, tlateloco, tocco, todisco, tomako, tomasko, tomayko, tomko, tosco, toshihiko, toyko, trabucco, tramco, transcisco, transco, tricarico, trico, trimarco, trucco, truicko, trustco, tudisco, turco, turko, tutko, tyco, uarco, unigesco, vacco, valko, varco, varisco, vasco, vasko, veeco, velasco, velazco, verduzco, vesco, vetco, virco, visco, voytko, wacko, waco, wainoco, wako, walko, wanko, warnico, wasco, washko, wasko, waskow, wellco, wesco, westvaco, whacko, witco, wometco, worlco, yacko, yanko, yasuhiko, yatsko, yevtushenko, yoko, yuko, yurchenko, yurko, yusko, zachow, zelasko, zelikow, zelko, zico, zucco, zupko
Bucko sounds like:
b'gosh, b's, b-j, b-j's, baack, baas, baasch, baba's, babbage, babbage's, babbs, babcock, babes, babiak, babic, babich, babies, babies', babik, babish, babka, babs, babushka, babushkas, baby's, babyak, babyish, baca, bacchi, bacchus, bacci, baccus, bach, bacha, bache, bache's, bachus, bacik, back, backache, backaches, backe, backes, backhaus, backhoe, backhoes, backs, backsaw, backsaws, backus, backwash, bacus, baek, baez, baeza, bag, bagg, baggage, bagge, baggie, baggio, baggio's, baggs, baggy, bags, bagshaw, baha'is, baig, baisch, baise, baize, baja, bak, baka, bake, bakes, bakey, bakey's, bakke, bakos, bakowski, bakshi, baku, basa, bascay, basch, basco, base, base's, bases, basey, bash, basha, bashaw, bashes, basi, basic, basic's, basich, basics, basie, basis, basix, bask, basks, basque, basques, basquez, bass, bass's, bassa, basse, basses, bassi, basso, basu, basye, bauch, baucus, baugh, bauguess, baugus, baus, bausch, bauza, bavis, bax, baxa, bay's, bayes, bayog, bayous, bays, bayse, bayuk, bayus, baz, baze, bazooka, bazookas, bbc, bbc's, bbq, beach, beach's, beaches, beachy, beak, beas, beaucage, beauce, beauvais, beaux, beavis, bebe's, bec, because, becca, beck, beck's, becka, becki, beckie, beckius, becks, becky, beco, bee's, beeba's, beebe's, beebes, beech, beechy, beeck, beefs, beek, beeks, beeps, bees, beese, beg, begajah, begay, begg, beggs, begs, begue, behaves, behooves, beige, beige's, beiges, bekaa, bekki, bes, besaw, besch, beseech, besiege, beske, bess, besse, bessey, bessie, besso, bessy, beswick, beuys, bevacqua, bevaqua, bevis, bezek, bhiksha, biaggi, biagi, bias, biases, biasi, biaz, bibbs, bibi's, bibs, bic, bice, bick, bies, biev's, big, bigeyes, biggie, biggies, biggio, biggs, bigos, bigs, bigwig, bigwigs, bihac, bihac's, bijac, bike, bikes, biko, biko's, bio's, biophysics, biopsies, biopsy, bios, biosis, biosys, bippus, bis, bisch, biscoe, bise, bisek, bisesi, bish, bishkek, bisig, bisque, biss, bissey, bisso, bivouac, bix, biz, bizzy, bo-shek, boak, boake, boas, boase, boaz, bob's, boback, bobak, bobby's, bobeck, bobek, bobick, boca, bocce, boccia, boccio, boccuzzi, bocek, boch, bochco, boche, boches, bochicchio, bock, bockius, bockus, bocock, bocook, bocuse, boeck, boege, boeke, boes, boesak, boesch, boese, boesky, boesky's, boeskys, bog, bogacki, bogacz, boge, bogey, boggess, boggio, boggs, boggus, bogie, bogs, bogucki, bogue, bogus, bogusz, bohac, boice, boies, boik, boike, bois, boise, boise's, boisi, boisseau, bok, bokassa, boobs, boock, boogie, boogie-woogie, book, book's, bookcase, bookcases, bookie, bookies, bookish, books, books', boos, boose, booz, booze, boozy, bos, bosak, bosch, boschee, boscia, bosco, bose, bosh, bosko, boso, bosqi, bosquez, boss, boss', boss's, bosse, bosses, bosses', bossi, bossie, bosso, bossy, bouch, bouche, bouchey, bouchie, bouck, bough, boughs, bougie, bouse, bouska, boussac, bouygues, bouza, bovik, bowes, bowick, bows, bowse, bowses, box, boxes, boxx, boxy, boy's, boyack, boyce, boyes, boyish, boyko, boys, boys', boyz, boza, boze, bozek, bozic, bozich, bozo, bozos, bozza, bozzi, bozzo, bubeck, bubka, buc, bucase, bucci, bucco, bucek, bucey, buch, buche, buchi, buchi's, buchko, buchs, buck, buck's, buckey, buckeye, buckeyes, bucks, bucky, bucs, bucs', bucy, buczek, buczkowski, bueche, buege, buff's, buffs, bug, buga, bugai, bugai's, bugaj, bugay, bugeye, bugg, bugge, buggies, buggs, buggy, bugh, bugs, bugsy, buice, buick, buick's, buicks, buis, bujak, bukowski, buoys, bupkus, bus, busa, busch, busch's, busche, buse, buses, busey, bush, bush's, busha, bushaw, bushee, bushes, bushey, bushway, bushwhack, bushwhacks, bushy, busic, busick, busk, buske, buskey, buss, bussa, busse, busses, bussey, bussi, bussie, busy, buus, buy's, buyback, buybacks, buys, buysse, buza, buzek, buzz, buzze, buzzes, buzzy, buzzy's, byas, byassee, bykowski, bypass, bypasses, byus, byways