The word unascertainable 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: 25
Highest Scoring Words With Friends™ Play In The Letters unascertainable
:
Seven Letter Word Alert: (370 words)
abaters, ablates, abluent, ablutes, abreact, abreast, absence, abstain, abulias, acaters, acerate, actable, actuals, acuates, aerates, aerials, aeriest, airable, airbase, alanine, albites, alicant, ancient, anneals, annuals, annular, annulet, antlers, antsier, arabise, arblast, arcsine, arctans, arcuate, arenite, arsenal, arsenic, article, artisan, ascribe, astilbe, atresia, auletes, aunties, aurates, auricle, austere, austral, baiters, balance, baleens, banaler, bananas, banners, banters, barista, barites, basilar, beanies, beaters, because, becrust, becurls, berates, blaster, blastic, bleater, blister, blunter, bluster, bristle, brucite, bucinas, bucines, bunnies, burials, bursate, bustier, bustler, butanes, butenes, butlers, cabaret, cabinet, cablers, caliber, calibre, canasta, canines, cannier, cannula, canteen, canters, cantles, canulae, canular, canulas, carbeen, carbene, carbine, careens, carinae, carinal, carnies, cartels, caseate, castile, catenin, cauline, cauters, censure, centaur, centers, central, centres, cerates, cereals, certain, cistern, citable, clarets, cleaner, cleanse, clients, cluster, cranial, creates, cretins, cristae, crubeen, crustal, cubanes, cuneate, curable, curates, curials, curtail, curtain, cutline, earnest, eastern, eatable, eclairs, elastic, elastin, elaters, eluants, eluates, eluents, enabler, enables, encrust, ensnare, ensnarl, ensuite, entails, enteral, enteric, enticer, entices, entrain, entries, estrual, eternal, euaster, euclase, incants, incense, incrust, incubee, insaner, insular, intense, interns, inturns, inulase, labiate, laciest, lactase, lacunae, lancers, lancets, lantern, lariats, lateens, latrine, leaners, leanest, lectern, lecture, leisure, lenient, lenites, lesbian, leucine, leucite, libates, license, lineate, linnets, lucites, lunaria, lunates, lunatic, luniest, lustier, nabales, nailers, nailset, nascent, nastier, natural, natures, nautica, nearest, neatens, nebulae, nebular, nebulas, nectars, neuters, neutral, nitrene, nuances, nuclear, nutcase, nutsier, raciest, ratline, realest, realise, realist, rebaits, rebales, rebates, rebites, reblast, reblent, rebuilt, recanes, recants, recital, recites, reclean, recline, recluse, recusal, reenact, relaces, relates, relents, reliant, relines, renails, rennets, rentals, rescale, reslant, reslice, restain, retails, retains, retiles, retinal, retinas, retunes, reunite, riblets, rituals, runnels, rutiles, salient, saltern, saltier, saluter, satanic, saucier, saunter, saurian, scalene, scalier, scanner, scanter, scarlet, scenter, sclerae, scribal, sealant, secular, seriate, silence, sincere, sinuate, slatier, sluicer, stabler, stainer, stannic, stealer, stencil, sterane, sterile, sternal, stunner, subarea, suberin, subrace, subrail, subtler, subtree, sulcate, sultana, sunbelt, sunnier, tableau, tabular, tanners, tenable, tenners, tensile, tenures, tinners, trainee, trances, treacle, trebles, trenail, triable, triaene, tribals, tribune, trienes, truncal, trunnel, tsarina, tunable, tunnels, turbans, turbine, unabate, unalert, unalter, unbaits, unbales, unbelts, unblent, unblest, unbrace, uncarts, unclean, unclear, uncrate, unearnt, uneaten, unerect, uniters, unlaces, unlearn, unreels, unreset, unrisen, unsnarl, unstain, uralite, uricase, urinals, urinate, useable, utensil, uterine