The word cephalosporins is playable in Words With Friends™, no blanks required. Because it is longer than 7 letters, you would have to play off an existing word or do it in several moves.
Words With Friends™ Letter Score: 27
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (342 words)
aerosol, aileron, aircool, airhole, airless, alcopop, alphorn, alpines, anchors, ancress, applier, applies, apposer, apposes, apprise, archons, arcsine, arsenic, arshine, arshins, aspires, caisson, caliper, caliphs, calorie, canoers, capless, carhops, carless, carnies, carpels, carpool, caseins, cashers, cashier, casinos, cassoon, casspir, celosia, censors, cession, chainer, chaises, chaoses, chapels, chasers, cheapos, chipper, chisels, chlorin, cholera, choline, chooser, chooses, chopper, chorale, chorals, chorion, ciphers, clapper, clarion, clasher, clashes, clasper, clipper, cloners, closers, coalers, coalier, coalise, coarsen, coheirs, coiners, colossi, console, coolers, copiers, coppers, corneal, corneas, coronal, coronas, corpses, cosines, crappie, crashes, creosol, cresols, cripple, crispen, cronies, eclairs, enclasp, eparchs, epicarp, epochal, epsilon, erosion, escarps, escolar, hapless, happens, happier, harelip, harness, harpies, harpoon, hencoop, heparin, hernial, hernias, heroics, heroins, hipness, hoppers, hoppler, hopples, hosiers, hospice, icespar, inchers, inclasp, inhaler, inhales, inplace, inreach, inscape, inshore, insoles, iphones, isohels, isopach, lancers, larches, lashers, lassoer, lesions, lichens, lioness, lipases, lispers, loaners, loonier, loonies, loopier, loosens, loppers, lossier, nailers, napless, nappers, nappies, nippers, nipples, noosers, oarless, oilcans, oleosin, oncosis, onshore, opaline, operons, opposer, opposes, oppress, oracles, orioles, orleans, orphans, ossicle, palsies, panicle, pansies, papoose, parcels, parches, paresis, paroles, parsecs, parsnip, parsons, passion, pelican, pencils, pepsins, perhaps, persona, persons, phenols, phonics, phonier, phonies, phrases, phrenic, pincers, pincher, pinches, pinesap, pinhole, pinless, placers, plainer, planers, plasher, plashes, pleions, plosion, poacher, poaches, poisons, polaric, polaron, polices, ponchos, pooches, poopers, popcorn, poplars, poplins, porches, porcine, poroses, porosis, praises, praline, prances, precool, preplan, princes, prisons, process, proline, propane, propels, propine, propose, prosaic, racoons, ranches, rappels, raspish, reasons, rechain, reclasp, reclass, reclips, recoals, recoils, recoins, reloans, renails, replans, replica, resails, rescans, reships, resnaps, resoils, respans, respins, respool, ripples, roaches, rosalic, rosehip, roseola, sailers, sailors, salines, saloons, sappers, sappier, scalers, scalier, scalper, scapose, schlepp, schleps, scholar, schools, schorls, scleras, scooper, scoriae, scorias, scorpio, scrapes, sealion, seniors, seraphs, serials, shalier, shapers, sharpen, sharpie, sherpas, shiners, shiplap, shipper, shopper, shrines, silanes, siphons, sippers, slasher, slicers, slipper, slopers, snapper, snipers, snipper, snooper, soapers, soapier, socials, solacer, solaces, sooners, soppers, soppier, soprano, spacers, spacier, spaniel, special, sphenic, spheric, spicers, spinach, spinals, spinels, spinose, spirals, spireas, splenic, splicer, splices, splines, spoiler, sponsor, spooler, sprains