Words That Rhyme With "Grappling" :
2 syllables:
Allyn, babbling, battling, cackling, caplin, capping, Catlin, catling, Chaplin, clapping, coupling, dabbling, fallin, fatling, flapping, flatling, gadling, Gatling, haggling, Kipling, lapin, lapping, Malin, mapping, napping, paddling, Palin, phthalin, saddling, Salim, sampling, sandling, sapling, sapping, slapping, snapping, stapling, tackling, tapping, tattling, toppling, waggling, zapping
3 syllables:
corralling, decoupling, recapping