Spongy rhymes with:
cherrapunji, bungee, bungey, cherrapunji, dungey, grungy, junji, angi, angie, angy, bangee, basenji, benjy, bungee, bungey, cherrapunji, digangi, dingy, dungey, evangi, gangi, grungy, jumanji, junji, kanji, kenji, mangy, rangy, solangi, songy, sonji, stingy, twangy, vangy
Spongy 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, spoofing, spoons, spunk, spunky, spying, subbing, subpoenaing, subpoenas, supinski, suspense, svensk, svenska, swapping, sweeping, swiping, swooping, sypniewski, szczepaniak, szczepanik, szczepanski