rowel

stimulate, jumpstart, spark, catalyze, invigorate, reignite, encourage, stifle, stoke, dampen, kickstart, boost, stymie, ignite, energize, rekindle, reinvigorate, hasten, hinder, propel, inspire, prompt, galvanize, revive, accelerate, bolster, derail, hamper, discourage, inhibit, entice, promote, provoke, catalyst, revitalize, forestall, depress, facilitate, rejuvenate, motivate, induce, impetus, presage, herald, squelch, engender, crimp, heighten, push, stave off, impede, curb, tamp down, prod, incite, enliven, usher, stem, underpin, attract, constrain, springboard, curtail, instigate, undermine, incentivize, quell, fueled, pave, deflate, lure, trigger, kindle, supercharge, reawaken, cripple, imperil, arouse, generate, bring, create, thwart, lessen, stanch, alleviate, undercut, nudge, quash, deepen, complicate, expedite, precipitate, hobble, deter, weaken, embolden, buoying, avert, prolong, turbocharge, foreshadow, excite, spurs, buttress, ridge, crest, draw, prong, goad, scarp, bastion, bend, buttresses, claw, entrance, hump, incentive, protuberance, embankment, inducement, pier, serrated, hinge, bevelled, comb, bevel, beveled, crescent, girdle, grooved, idler, semicircular, side, slotted, braced, cap, edged, front, gage, gear, jagged

loop-line

encourage, horned violet, long-spurred violet, maori hen, on the spur of the moment, rowel, spur-of-the-moment, tufted pansy, viola cornuta, viola rostrata, weka, wood hen

boot

advance, boost, bulge, bump, enation, encourage, encouragement, equip, excrescence, extrusion, fit, fit out, further, gibbosity, gibbousness, goad, hump, injure, jut, line, outfit, plant process, prod, prominence, promote, protrusion, protuberance, railway line, rail line, wound

branch line, gad, goad, goading, prod, prodding, spine, spur track, spurring, urging