The word regularisation 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: 19
Highest Scoring Words With Friends™ Plays In The Letters
Seven Letter Word Alert: (370 words)
aeolian, aerator, aerials, against, agarose, agatine, agatise, agnosia, agonies, agonise, agonist, agoutis, aiglets, aigrets, aileron, airguns, airiest, airings, airline, aisling, aligner, analogs, anglers, anglist, angrier, angular, antlers, antsier, areolar, areolas, argents, arguers, arising, arousal, arouser, arraign, arrange, arsenal, artisan, artsier, atoners, atonias, atresia, augites, aunties, aurates, aureola, aurorae, auroral, auroras, austral, earring, eartags, elastin, elating, elation, elision, elogist, eloigns, eluants, elusion, eluting, elution, elutors, entails, erasing, errants, estriol, estrual, gainers, gaiters, galenas, gaolers, garners, garnets, garrets, garters, gastrin, gateaus, gaunter, gelatin, gelatos, genials, genital, girlier, girlies, girnels, girners, glisten, glister, gloater, glories, gluiest, glutens, gnarler, goalies, goiters, goitres, goriest, goutier, grainer, granite, granola, granter, granule, graters, grister, gristle, groaner, grouser, grouter, grunter, gruntle, guarani, guineas, guitars, gunters, gurners, gustier, gutsier, igneous, igniter, ignites, ignitor, ignores, iguanas, inertia, ingrate, inosite, insular, insurer, intagli, inulase, iolites, ioniser, irisate, ironage, ironers, ironies, isolate, laagers, lairing, languor, langurs, largest, lariats, lasagne, lasting, latrine, leantos, learing, leasing, legions, liaison, ligates, lignite, lingers, lingoes, lintier, lionets, lionise, listing, loaners, loiters, longest, lorries, lounger, lounges, lousier, lousing, lunaria, lunates, luniest, lustier, lusting, nailers, nailset, narrate, nastier, natural, natures, neutral, nitrous, noisier, norites, nostril, nutsier, oiliest, oligist, onstage, oranger, oranges, orating, orients, origins, orleans, ornater, otarine, ousting, outages, outearn, outgain, outgrin, outings, outlier, outlies, outline, outrage, outsail, outsang, ragouts, railing, rainier, rainout, raising, rangers, rangier, ranters, ratings, rations, ratline, realgar, realign, realist, realtor, rearing, regains, regalia, regions, regrant, regrout, regular, regulon, reliant, reloans, renails, rentals, reroast, reslant, restain, resting, retails, retains, retinal, retinas, retinol, retours, retrain, retrial, returns, reusing, rigours, ringers, ringlet, rioters, rioting, rituals, roaring, roaster, roilier, roiling, roister, rongeur, rostral, rousing, routers, routine, routing, rugrats, rulings, runtier, rustier, rusting, rustler, rutiles, saguaro, sailing, salient, saltern, saltier, salting, saluter, sangria, saunter, saurian, sealant, sealing, sealion, searing, seating, senator, signora, siltier, silting, singlet, sinuate, sirloin, slatier, slating, slinger, snarler, snorter, soaring, soiling, sorting, souring, stagier, stainer, staring, sternal, stinger, stonier, storage, storing, stourie, strange, sugarer, suiting, sultana, surgeon, surlier, surreal, tagline, tailgun, tailing, tailors, tanager, tangelo, tangier, tangles, tarries, tarring, teargas, tearing, teasing, terrain, tiering, tilings, tingler, tingles, toenail, toilers, toiling, tongues, tonsure, tourers, touring, trailer, trainer, treason, trenail, triages, triones, trouser, tsarina, turgors, turners, ugliest, unagile, unalert, unalter, uniters, unities, unstage, uralite, urinals, urinate, urostea, utensil, utilise