Subplot rhymes with:
simplot, aydelott, berthelot, pilat, polyglot, simplot, tourtelot, arnott, aydelott, batibot, berthelot, billiot, callicott, cannot, crescott, eliott, ellicott, epcot, foxtrot, gobinot, herriott, izatt, kearfott, kumquat, labat, lysaght, penobscot, pilat, polyglot, prescott, racicot, sabat, simplot, theriot, tourtelot, vienot, walcot, walcott, wescott, wolgamott, wonnacott, woollcott
Subplot sounds like:
saffold, scaffold, schofield, scoffield, scofield, scuffled, seabold, seabolt, sebald, sebold, seebold, seefeld, seefeldt, seibold, seybold, sheffield, shibboleth, shifflet, shifflett, shiflet, shiflett, shiplett, shipload, shoveled, shufelt, shuffield, shuffled, siebold, sixfold, spelled, spilde, spilled, spilt, splat, split, splitt, spoiled, spoleto, spoletto, squabbled, sublet, sublett, suffield, supplied, svelte, swiveled, sypolt