Antiknock rhymes with:
knaack, knaak, knoch, knock, nock, ad-hoc, adcock, alcock, antilock, baack, bach, ballcock, bangkok, barach, bloc, bloch, block, blok, boch, bock, bohlke, bok, broc, brock, brok, caulk, chalk, chock, chok, clock, cock, croc, crock, doc, dock, elcock, estok, floc, flock, frock, fyock, glock, gocke, gohlke, groch, haack, haacke, haak, haake, hassebrock, hoc, hoch, hock, interlock, iraq, isaak, jacques, jock, kloc, klock, klocke, knaack, knaak, knoch, knock, kock, kok, kroc, krock, krok, kwok, laack, laake, loch, lock, locke, lok, maack, mach, moch, mock, mok, nock, o'clock, och, overstock, pathak, ploch, plock, poch, pock, proch, prock, restock, roc, roch, rock, rocke, rocque, schaack, schlock, schoch, schock, schrock, shaak, shock, shrock, skok, skroch, smock, sock, sok, spock, sprock, srock, staack, stock, stocke, stokke, strock, tock, undock, unlock, vlok, vocke, waack, wok, zoch
Antiknock sounds like:
antagonize, antigens, antigone's, antigones, antisense, antitoxins