Sparc rhymes with:
spark, transpark, parc, park, parke, spark, transpark, arc, ark, barch, bark, barke, clark, clarke, dark, darke, demark, disembark, embark, harc, hark, harke, intermark, karch, lark, larke, marc, mark, marke, marque, mediamark, narc, parc, park, parke, premark, quark, question-mark, remark, sark, shark, spark, starck, stark, starke, transpark
Sparc sounds like:
sabers, sabres, safarik, safaris, safire's, safra's, sagebrush, sapphires, sassafras, sassafras's, savarese, savers, savior's, saviors, savors, saybrook, schaberg, schaefers, schepers, schippers, scifres, seaberg, seabrook, seabrook's, seabrooks, seaburg, seafarers, seavers, seevers, severs, sevruga, sferrazza, sforza, shakespeare's, shapiro's, shapiros, shavers, shipper's, shippers, shipwreck, shivers, shoberg, shopper's, shoppers, shoppers', siebers, sievers, sifers, sjoberg, skipper's, skippers, sobers, sofer's, sparacio, sparaco, spares, spargo, spark, sparkes, sparks, sparky, sparrows, sparse, spears, speirs, speros, sperrazza, spheres, spiers, spires, spoor's, sporck, spores, spragg, sprague, sprague's, sprayers, sprays, sprees, sprick, sprigg, spriggs, sprizzo, sprock, sprogus, sprogus's, sprouse, spruce, spurge, spurious, spurs, sufferers, suffers, suffrage, superheroes, superhighway, superhighways, superior's, superiors, supers, superx, suppers, suppress, suppresses, sverige, sweepers, syphers