Spying rhymes with:
applying, belying, buying, complying, crying, decrying, defying, denying, drying, dyeing, dying, eyeing, flying, frying, implying, indemnifying, lying, misapplying, overflying, overlying, plying, prying, relying, replying, retrying, semidrying, shying, sighing, supplying, tieing, trying, tying, underlying, undying, vying
Spying sounds like:
sabine's, sabins, safing, saipan's, sapanski, sapiens, sapienza, sapping, savannas, savin's, saving, savings, savings', savings's, saxophones, scavenge, scooping, scoping, sczepanski, seeping, seven's, sevens, shaping, shaving, shavings, shipping, shobana's, shobanna's, shopping, shopping's, shoving, shuping, sieving, siphoning, siphons, sipping, skibinski, skipping, skyhopping, sobbing, sofians, sopping, soybeans, spain's, span's, spang, spanish, spank, spanky, spanning, spanos, spans, spawning, spawns, spence, spens, spewing, sphinx, spiffing, spinach, spines, spink, spinks, spinks's, spinning, spinosa, spinoza, spins, spong, sponge, sponges, spongy, spoofing, spoons, spunk, spunky, subbing, subpoenaing, subpoenas, supinski, suspense, svensk, svenska, swapping, sweeping, swiping, swooping, sypniewski, szczepaniak, szczepanik, szczepanski