Twiddling rhymes with:
fiddling, ridling, beadling, cuddling, dawdling, edling, fiddling, foundling, goodling, groundling, handling, kindling, ladling, mishandling, needling, panhandling, pindling, rekindling, ridling, sandling, seedling, shandling, spradling, straddling, stradling, swindling, toddling, unbundling, wandling, wendling, woodling, zwerdling
Twiddling sounds like:
tailing, tailings, tallying, talmage, talons, teeling, telemacho, telling, telmex, telmex's, thalamus, thelma's, thelonius, tiddlywinks, tilling, toddling, toiling, tolling, tooling, totaling, totalling, toweling