back, bear, bock, break, cain, chute, clog, crash, down, downed, drip, drop, dump, ebb, else, fail, fell, felled, firm, flop, flow, flump, get, glut, hang, hush, lag, light, nod, pitch, plotz, plump, plunge, pound, rain, shell, short, shtik, sink, slip, slump, snow, spill, take, throw, thrown, tide, trip, turn

abel, ancient, ancients, aster, autumn, bearish, belt up, black gum, bock beer, break down, clam up, close up, collapse, coltsfoot, come down, condense, contract, cooccur, cosmos, creon, crumble, crumple, cut down, dateless, dawdle, dazzled, decay, distil, distill, dribble, drip loop, drop down, drop off, eden, fall back, fall for, fall in, fall off, flump down, footsure, founder, free fall, galax, gather, half-life, half life, header, keep mum, keynote, leaf cast, milton, mushroom, nahum, nippy, price floor, prolapse, quarter, reeler, regress, release, ruin, run out, shut up, sinking, sleepy, slide down, steady, strike down, stumble, sundown, sunset, surfeit, topple, totter, toynbee, tumble, wage floor, welter, wipeout, zonk out

aligning, beetleweed, be quiet, button up, carelessly, cause to sleep, co-occur, coincide, colchicum, conspire, cosmea, desert rose, distinctly, dizziness, dummy up, fall apart, fall behind, fall over, galaxy, genesis, germanic, giddiness, goldenrod, go over, hit the deck, hit the dirt, john milton, keel over, line spectrum, linkage group, median, needle blight, needle cast, obsolesce, odyssey, overcast, parachute, pepperidge, pitch contour, rainwater, reconvene, relinquish, retrograde, retrogress, safety net, skydiving, sleepy-eyed, sour gum, staggerer, staghorn sumac, strappado, surefooted, time constant, totterer, triphammer, tumbling, undercut, undershoot, unshadowed, vertigo, wandflower, winter squash

arnica bud, arnold toynbee, book of nahum, defoliant, delapidate, honey fungus, honey mushroom, hyphantria, intonation, kudu lily, lightheadedness, modulation, oconee bells, oversupply, positioning, precipitate, rusty blackbird, rusty grackle, sleepyheaded, velvet sumac, vinegar tree, winter mushroom, winter squash plant

abnormality, book of genesis, defoliation, domino effect, fall dandelion, garden of eden, genus colchicum, germanic language, impala lily, median value, mock azalia, prelapsarian, unfluctuating, virginian sumac

arnold joseph toynbee, genus hyphantria, hyphantria cunea, mental defectiveness, nyssa sylvatica

adenium multiflorum, adenium obesum, euphagus carilonus, leontodon autumnalis

alsophila pometaria, armillariella mellea