Knuckle rhymes with:
buckel, buckle, chuckle, huckle, muckle, ruckel, ruckle, stuchell, suckle, abascal, acoustical, aeronautical, agrochemical, aichele, allegorical, alphabetical, analytical, anarchical, anatomical, ankle, anthropological, antithetical, apolitical, arbuckle, archaeological, archeological, article, astrological, astronautical, astronomical, asymmetrical, atypical, autobiographical, baechle, barnacle, barnicle, berkel, bespectacle, biblical, bickel, bickell, bickle, bicycle, bifocal, biochemical, biographical, biological, biomedical, biopharmaceutical, biotechnological, birchall, birkel, boeckel, botanical, brickel, brickell, brickle, brockel, buccal, buckel, buckle, buechel, buechele, buerkle, bullwinkle, bulwinkle, burchell, burkel, burkle, cackle, canonical, carmical, carmichael, carmickle, categorical, cervical, chemical, chimerical, chronicle, chronological, chuckle, circle, classical, clavicle, clerical, clinical, cockle, comical, commonsensical, conical, conkel, conkle, coracle, cortical, crackel, crackle, critical, cubicle, cuticle, cycle, cyclical, cylindrical, cynical, debacle, deikel, dekle, demichele, deontological, dermatological, diabolical, diacritical, dialectical, dickel, dinkel, domical, driscoll, driskell, ducal, dunckel, dunkel, dunkle, eakle, ecclesiastical, eckel, eckl, ecological, economical, ecumenical, egotistical, eichel, electrical, electrochemical, electromechanical, elliptical, empirical, encircle, encyclical, epidemiological, epochal, equivocal, eschatological, ethical, ethnical, etymological, evangelical, fanatical, farcical, fecal, felkel, fencl, ferronickel, fickel, fickle, finckle, finkel, finkle, fiscal, fischl, floptical, focal, follicle, frankel, frankl, freckle, frenkel, galenical, garfinkel, garfinkle, garfunkel, gaskell, geographical, geological, geometrical, geophysical, geopolitical, gockel, gonococcal, grackle, grammatical, granduncle, graphical, great-circle, grossnickle, gunkel, gynecological, hackel, hackl, hackle, hankel, hascall, haskell, heckel, heckle, heichel, heinkel, heiskell, helical, henckel, henkel, henkle, heretical, heterocercal, hickel, hickle, hierarchical, hinkel, hinkle, historical, honeysuckle, hornbuckle, huckle, hunkele, hypercritical, hypocritical, hypothetical, hysterical, icicle, identical, ideological, ikle, illogical, immunological, impractical, inimical, ironical, jackal, jackel, jaeckel, jaekel, jakel, jekel, jekyll, kachel, kaskel, kenkel, kinkel, kinkle, knochel, kochel, konkel, konkle, krenwinkle, kunkel, kunkle, lackadaisical, lehmkuhl, lexical, liturgical, local, logical, logistical, lyrical, mackall, mackel, magical, maniacal, maracle, maricle, mariscal, markel, markell, markle, maskell, mathematical, matriarchal, mccaskill, mccorkel, mccorkell, mccorkle, mcmichael, mcmickle, mcnichol, mcnickle, mechanical, meckel, medical, meikle, mericle, merkel, merkle, metallurgical, metaphorical, metaphysical, meteorological, methodical, methodological, metrical, michael, micheal, mickel, mickle, mikal, mikel, mikell, minkel, miracle, miskell, mochel, moeckel, monical, monocle, morphological, morrical, mosaical, moskal, motorcycle, muckle, musical, mystical, mythical, mythological, nautical, neoclassical, neurological, nicholl, nickel, nickell, nickle, nickol, nicol, nicoll, nikkel, nonelectrical, nonliturgical, nonpolitical, nonsensical, nonsurgical, nontechnical, numerical, obstacle, obstetrical, ontological, optical, oracle, oratorical, ornithological, paradoxical, parenthetical, particle, pathological, patriarchal, pedagogical, percle, periodical, petrochemical, pharmaceutical, pharmacological, philosophical, phonological, photochemical, physical, physiological, pickel, pickell, pickle, pikul, pinnacle, pirkl, pirkle, poeschl, polemical, political, pontifical, popsicle, practical, preclinical, problematical, prototypical, psychical, psychological, pumpernickel, puritanical, quickel, quizzical, rabbinical, racal, rachal, radical, radiological, ramshackle, rankle, rascal, receptacle, reciprocal, recycle, reichel, reichl, reichle, rhetorical, rickel, rockel, ruckel, ruckle, runckel, runkel, runkle, sabbatical, sakal, satirical, scatological, scheckel, schenkel, schinkel, schmechel, schmeichel, seckel, seismological, semiclassical, semicylindrical, semitropical, senecal, senechal, serological, shackle, shankel, shankle, shekel, shinkle, sichel, sickel, sickle, siecle, siskel, skeptical, smejkal, socal, sociological, sokol, sparkle, speckle, spectacle, spherical, sprankle, sprenkle, sprinkel, sprinkle, starkel, statistical, steckel, stejskal, stereotypical, sterkel, stickel, stickle, stockel, stoeckel, stoeckle, strategical, stuchell, stukel, suckle, surgical, symmetrical, tabernacle, tackle, tactical, technical, technological, teleological, tentacle, terkel, testicle, theatrical, theological, theoretical, tickle, tinkle, topical, topological, toxicological, trenkle, trickel, trickle, tricycle, trinkle, trokel, tropical, turkel, twinkle, typical, typographical, tyrannical, umbilical, uncle, uncritical, uneconomical, unequivocal, unethical, unicycle, unshackle, untypical, urkel, vanroekel, vansickel, vansickle, vansyckle, vanwinkle, vehicle, vertical, vesicle, viatical, virological, vocal, voelkel, weichel, weikel, weikle, whimsical, wikel, wikle, winchel, winkel, winkle, wrinkle, wykle, yackel, yakel, yeakel, yeakle, zerkle, zirkel, zirkle, zoological
Knuckle sounds like:
kenkel, kienzle, kincheloe, kingly, kingsley, kingswell, kinkel, kinkle, kinsel, kinsell, kinsella, kinsley, kinslow, kinzel, kneisel, kneisley, knicely, knisely, knisley, knochel, knowingly, konczal, konkel, konkle, konkol, kuenzel, kuenzli, kunkel, kunkle