words ending in acking2

2 Syllables
backing, blacking, clacking, cracking, hacking, jacking, lacking, packing, quacking, racking, shacking, slacking, smacking, snacking, stacking, tacking, thwacking, tracking, whacking, wracking
3 Syllables
attacking, backtracking, bushwhacking, hijacking, knapsacking, unpacking
4 Syllables
barebacking, lumberjacking, sidetracking