Backache rhymes with:
cheesecake, cupcake, fruitcake, hotcake, pancake, shortcake, beefsteak, bellyache, bonebrake, cheesecake, cupcake, daybreak, earthquake, freshbake, fruitcake, handshake, headache, heartache, heartbreak, homestake, hotcake, hoylake, intake, interlake, keepsake, kittiwake, longbrake, mandrake, milkshake, muckrake, namesake, outbreak, outtake, overtake, pancake, rattlesnake, shewmake, shoemake, shortcake, shumake, silverlake, snowflake, sweepstake, testrake, timberlake, undertake, uptake, westlake
Backache 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, 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, bucko, 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