Quarks rhymes with:
arcs, arx, barkes, barks, clark's, clarke's, clarks, embarks, harks, larks, marcks, mark's, marks, marques, marx, park's, parkes, parks, parks', remarks, sharks, sparkes, sparks, stark's, starkes, starks, tjarks, vonarx
Quarks sounds like:
quaker's, quakers, quark, quarries, queers, queries, quirk, quirke, quirks, quirky, quiroga, quiros, quiroz, qureshey, qureshi