mystify, befuddle, confound, perplex, bewilder, vex, fascinate, astound, amaze, astonish, frustrate, confuse, bamboozle, unnerve, bemuse, flummox, mesmerize, fluster, bedevil, irk, amuse, rattle, unsettle, dazzle, discombobulate, endear, horrify, exasperate, puzzling, boggle, tantalize, ensnare, startle, stun, enthrall, annoy, rankle, impress, excite, terrify, irritate, infuriate, beguile, captivate, disconcert, manhandle, discomfit, transfix, underwhelm, frighten, elude, spook, decipher, flabbergast, rile, stymie, hex, spout, overpower, bludgeon, hypnotize, dumbfound, terrorize, mesmerise, bewitch, overwhelm, pummel, enigma, surround, convolute, riddle, enrage, perturb, foxed, appall, spellbind, enamour, magnetise, stupefy, awes, nobble, outwit, unravel, defy, hoodwink, mumbo, enrapture, daunt, haunt, outsmart, enlighten, dishearten, clobber, disorient, outfox, disorientate, ingratiate, enchant, distresses, plumb, appal, bother, baffles, casing, coil, mandrel, nozzle, anode, crossbar, flue, plunger, vanes, brace, braces, cathode, diaphragms, electrode, flange, piston, platen, spindle, tank, exchanger, groove, impeller, insulating, multilayer, absorber, annular, board, cavity, cooling, curvilinear, diaphragm, filter, hole, honeycomb, keyhole, orifice, piezoelectric

dash, diffuser, diffusor, elude, escape, mix up, riddle, ruin, short-circuit, stagger, stump

diffuser, diffusor

bedevil, befuddle, bound, confine, confound, confuse, discombobulate, forbid, foreclose, forestall, fox, fuddle, limit, plate, preclude, prevent, restrain, restrict, throttle, throw, trammel

amaze, baffle board, beat, bewilder, bilk, cross, dumbfound, flummox, foil, frustrate, get, gravel, mystify, nonplus, perplex, puzzle, queer, regulate, scotch, spoil, stupefy, stupify, thwart, trounce