THESAURUS
fall away
abate, ablate, apostacize, apostatize, ascend, bank, bate, be eaten away, be found wanting, bolt, break away, cant, careen, change sides, climb, collapse, come short, consume, consume away, corrode, crumble, decline, decrease, defect, deliquesce, descend, desert, die, die away, diminish, dip, dive, drop, drop off, dwindle, ebb, erode, fade, fail, fall, fall off, fall short, go down, go downhill, go off, go over, go uphill, grade, hit a slump, hit rock bottom, hit the skids, incline, keel, lack, lag, languish, lapse, lean, lessen, let up, list, lose ground, melt away, not answer, not hack it, not make it, not make out, not measure up, not stretch, not suffice, pitch, plummet, plunge, rake, reach the depths, retreat, rise, run down, run low, run short, sag, secede, shelve, shrink, sidle, sink, slant, slide, slip, slope, slump, stop short, subside, swag, sway, switch, switch over, tail off, tilt, tip, touch bottom, turn cloak, uprise, wane, want, waste, waste away, wear, wear away
ROGET THESAURUS
fall away
Decrease
VB
decrease, diminish, lessen, abridge, shrink, drop off, fall off, tail off,
fall away, waste, wear, wane, ebb, decline, descend, subside, melt away, die away, retire into the shade, hide its diminished head, fall to a low ebb, run low, languish, decay, crumble, bate, abate, dequantitate, discount, depreciate, extenuate, lower, weaken, attenuate, fritter away, mitigate, dwarf, throw into the shade, reduce, shorten, subtract.
Contraction
VB
become small, become smaller, lessen, decrease, grow less, dwindle, shrink, contract, narrow, shrivel, collapse, wither, lose flesh, wizen,
fall away, waste, wane, ebb, decay, be smaller than, fall short of, not come up to, render smaller, lessen, diminish, contract, draw in, narrow, coarctate, boil down, constrict, constringe, condense, compress, squeeze, corrugate, crimp, crunch, crush, crumple up, warp, purse up, pack, squeeze, stow, pinch, tighten, strangle, cramp, dwarf, bedwarf, shorten, circumscribe, restrain, (subtraction) 38 abrade, pare, reduce, attenuate, rub down, scrape, file, file down, grind, grind down, chip, shave, shear, wear down.