The word internationalisations cannot be made in Words With Friends™. It is 21 letters long, too long to fit on a WordsWithFriends board (15 letters max).
Highest Scoring Words With Friends™ Plays In The Letters internationalisations
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Seven Letter Word Alert: (285 words)
aeolian, aerials, aerosol, aileron, airiest, airless, airline, alanine, aliases, altoist, aniline, anneals, anoints, antenna, antlers, antlion, antsier, areolas, arsenal, artiest, artisan, artists, artless, asinine, atlases, atoners, atonias, atresia, attains, attests, attires, attrist, attrite, elastin, elation, elision, elitist, enlists, ensnarl, entails, entrain, entrant, erosion, estriol, ileitis, inertia, initial, inlines, inosine, inosite, insaner, inserts, insoles, instant, instars, instate, intents, interns, intoner, intones, intorts, introns, iolites, ioniser, ionises, ionones, iratest, irisate, ironies, isolate, lantern, lariats, lassoer, latents, latites, latrine, leantos, lesions, liaises, liaison, linnets, lintier, lioness, lionets, lionise, listens, litters, loaners, loiters, loonier, loonies, loosens, loosest, looters, lossier, lotions, nailers, nailset, nannies, nastier, nations, natters, nattier, nitrate, nitrite, nittier, noisier, nonanes, nonarts, noniron, nonlate, nonliar, nonreal, nonriot, nonsale, nonsane, noosers, norites, noseans, nosiest, nostril, notator, notions, notists, oarless, oiliest, oleosin, onliner, oolites, oration, orients, orioles, orleans, osteons, ostlers, otarine, otolite, raisins, rations, ratline, rattail, rattles, rattons, rattoon, realist, reasons, reliant, relists, reloans, renails, rennins, rentals, resails, reslant, resoils, restain, retails, retains, retilts, retinal, retinas, retinol, retints, retoast, retools, retotal, risotto, rootlet, roseola, rosiest, rotates, sailers, sailors, salient, salines, saloons, saltate, saltern, saltier, satiate, satires, sealant, sealion, searats, seastar, seitans, senator, seniors, serials, sestina, siennas, silanes, silents, siltier, sinners, sinters, sirloin, sitters, slaters, slatier, slitter, snotter, soloist, sonatas, sonnets, sooners, soonest, sootier, sortals, sorties, stainer, stalest, stanols, starlet, starlit, startle, staters, statins, station, statist, sternal, sterols, stetson, stilter, stoners, stonier, stoolie, stories, strains, straint, straits, stratas, striate, tailors, talents, tanners, tannest, tannins, taoists, tarsals, tartans, tartest, tartlet, tasters, tastier, tatters, tattier, tattler, tattles, tattoos, tenants, tension, tensors, tertial, tilters, tiniest, tinners, tinnier, tinsels, tinters, tintier, titlist, titrate, titters, toaster, toenail, toilers, toilets, tonsils, toolers, toolset, toonies, tooters, tootler, tootles, tootsie, tornote, torsion, totters, transit, treason, trenail, triones, tsarina, tsarist