sputter, fizzle, crumble, waver, slacken, implode, stagnate, wilt, stumble, dwindle, wane, sag, evaporate, wither, deteriorate, disintegrate, materialize, fail, fade, dominate, outpace, lose, doomed, overtake, plummet, deflate, vanish, regress, soar, disappoint, erode, shrivel, decelerate, threaten, teeter, weaken, overwhelm, outstrip, underachieve, crimp, upend, wobble, derail, disappear, unglued, relent, swoon, fall, mount, overshadow, floundered, sink, trounce, blossom, slip, prevail, unravel, outlast, slow, sustain, squander, climb, succumb, loom, erupt, worsen, languish, faulter, tanked, hamper, backslide, hobble, underwhelm, backfire, diminish, rekindle, flatten, steamroll, subside, petering, dampen, foundering, ignite, bedevil, spurn, stagger, muster, reappear, stifle, depress, reignite, tumble, concede, ebbing, steepen, imperil, skyrocket, nose dive, stymie, scorch, totter, sapped, tremble, hope, none, tender, wag, believe, fliers, hold, hops, pushes, take, victorious, want, wince, boyish, doubt, flier, flyer

hesitate, mouth, move, pause, speak, swiver, talk, utter, verbalize, walk, waver

bumble, faltering, hesitation, stammer, stumble, stutter, waver