Letter: b
- backhand, abusive, atrocious, backhanded, backstroke, circuitous, contumelious, degrading, devious, digressive, divergent, excursive, hook, humiliating, indirect, insolent

- backhanded, abusive, atrocious, backhand, calumnious, circuitous, circular, contumelious, degrading, deviant, deviating, devious, digressive, discursive, divergent, excursive

- backhander, backstroke, hook, roundhouse, swing

- backing off, backing, backup, reversal, reverse, reversion, right-about-face, turnabout, turnaround

- backing out, backing, backup, reversal, reverse, reversion, right-about-face, turnabout, turnaround

- backing up, affirmation, attestation, backing, backup, certification, confirmation, documentation, fortification, proof, ratification, reinforcement, reversal, reverse, reversion, right-about-face

- backing, about-face, about-turn, advance, advocacy, advocate, advocating, aegis, affirmation, aid, angular motion, approval, approving, arm, ascending, ascent

- backlash, antagonism, antipathy, backfire, backlashing, backwash, boomerang, bounce, bounce back, bound, carom, clashing, clout, collision, conflict, confutation

- backlashing, backfire, backlash, boomerang, bounce, bound, carom, kick, kickback, rebound, rebuff, recoil, repercussion, repulse, resilience, ricochet

- backlog, Yule clog, abundance, accumulation, brush, brushwood, budget, cache, collection, commissariat, commissary, cornucopia, cumulation, dump, faggot, firewood

- backlogged, amassed, collected, gathered, laid up, stored, treasured

- backpack, baggage, defile, file, goose step, hike, luggage, march, pack, parade, tramp

- backpacker, foot soldier, hiker, hitch-hiker, hoofer, infantryman, jaywalker, marcher, pedestrian, peripatetic, walker

- backpacking, ambling, footing, footwork, hiking, hoofing, legwork, lumbering, marching, staggering, strolling, toddling, tottering, tramping, trudging, walking

- backside, back, beam, behind, bottom, breech, bum, butt, buttocks, can, cheek, croup, crupper, fanny, hind end, hinder

- backslapper, adulator, apple-polisher, ass-licker, brown-nose, brownie, cajoler, courtier, creature, cringer, dupe, fawner, flatterer, flunky, groveller, handshaker

- backslide, cock, defect, degenerate, desert, err, fall, fall again into, fall astern, fall away, fall back, fall behind, fall from grace, get behind, go astray, go backwards

- backslider, apostate, atheist, bad lot, black sheep, collaborator, convert, defector, degenerate, deserter, fallen angel, fifth columnist, lecher, lost soul, miscreant, pervert

- backsliding, about-face, amorality, apostasy, apostate, atheism, atheistic, backing, backslide, backward motion, backward step, betrayal, blasphemous, bolt, breakaway, carnal

- backstabbing, back biting, calumny, character assassination, defamation, depreciation, detraction, disparagement, scandal, slander, sycophancy, tale

- backstage, acting area, apron, apron stage, band shell, bandstand, behind the scenes, board, bridge, dock, downstage, dressing room, flies, fly floor, fly gallery, green room

- backstairs influence, connections, deal, game, intrigue, lobbying, ploy, pull, scheme, strings

- backstairs, back-door, clandestine, covert, feline, furtive, hole-and-corner, privy, quiet, shifty, skulking, slinking, slinky, sly, sneaking, sneaky

- backstop, advocate, aegis, arch dam, arm guard, back, bamboo curtain, bank, bar, barrage, barrier, bear-trap dam, beaver dam, boom, breakwater, breastwork

- backstroke, aquaplaning, aquatics, backhand, backhander, bathe, bathing, breaststroke, butterfly, crawl, diving, dog paddle, fin, fishtail, flapper, flipper

- backtrack, back, back down, back up, back-pedal, backwater, give back, reverse

- backup man, advocate, alter ego, alternate, attorney, backup, champion, descendant, dummy, executive officer, exponent, figurehead, heir, inheritor, lieutenant, pinch hitter

- backup, about-face, about-turn, advocate, agent, alter ego, alternate, alternative, analogy, attorney, back track, back trail, backing, backing off, backing out, backing up

- backward and forward, back and forth, off and on, round and round, see-saw, to and fro, up and down, vice versa

- backward deviation, atavism, lapse, recrudescence, recurrence, regression, renewal, return, reversal, reverse, reversion, setback, throwback
