berg, bern, berne, bert, berth, birch, bird, birth, blur, blurred, bulb, bulge, bulk, bur, burg, burke, burke's, burn, burnt, burr, burst, burt, church, churn, clerk, cul, cull, cult, cur, curb, curl, current, curs, curse, curt, curve, dearth, der, dirge, dirt, dull, durch, durst, earle, earls, earn, earth, er, ernst, ers, fer, fern, fir, firm, firs, first, firth, fleur, flirt, for, freer, fur, germ, gird, girl, girt, girth, gulf, gull, gulp, heard, hearse, her, herb, herd, hers, hirsch, hulk, hull, hurl, hurst, hurt, jerk, jours, ker, kern, kerr, kirk, kurt, learn, learnt, lull, lurch, lurk, mer, merge, mirth, mull, myrrh, nerve, null, nurse, oeuvre, or, pearl, per, perch, pere, pers, pert, perth, pulp, pulse, pur, purge, purse, scourge, search, serf, serge, serv, serve, shirk, shirt, sir, skirt, skull, slur, sperm, spur, spurn, spurred, spurs, spurt, stern, sterne, stir, stirred, stirs, sul, sur, sure, surf, surge, swerve, swirl, ter, term, tern, terse, third, thirst, tors, turf, turk, turn, urge, urn, ver, verb, verge, vers, verse, vert, were, wert, whirl, will, word, work, world, worm, worse, worst, worth, yearn, yer, yours

adult, adverse, chauffeur, concert, converse, convert, desert, emerge, excerpt, impulse, insert, insult, overt, pervert, research, transfer, transferred, transfers, traverse

absurd, adjourn, affirm, alert, amours, assert, averred, averse, avert, biol, coerce, concern, concur, concurred, concurs, confer, conferred, confers, confirm, conserve, consult, converge, conversed, convulsed, defer, deferred, demur, demurred, deserve, dessert, deter, deterred, disbursed, discern, discoursed, disperse, disturb, diverge, diverse, divert, divulge, engulf, exert, exult, immerse, incur, incurred, incurs, indulge, inert, infer, inferred, infers, infirm, inter, interred, inverse, invert, manoeuvres, messieurs, monsieur, observe, obverse, occult, occur, occurred, occurs, perturbed, perverse, prefer, preferred, prefers, preserve, reaffirm, reassert, rebirth, recherche, recur, recurred, recurs, refer, referred, refers, rehearse, repulse, researched, reserve, result, return, reverse, revert, sojourned, submerged, subvert, superb, transverse, twothirds, unearned, unearthed, unfurled, unheard, unhurt, unnerved, usurp, vespers, wentworth

luxembourg, theaters, theatre, theodor

agreeable, connoisseur, foreseeable, interspersed, overheard, overwork, reimburse, unconcern, undeserved, undisturbed

overseer, privateer

disagreeable, entrepreneur