The word specialisers 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™ Play In The Letters specialisers
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Seven Letter Word Alert: (95 words)
airless, asepses, asepsis, asperse, aspires, caliper, capless, carless, carpels, casspir, cereals, cerises, clasper, classes, creases, cresses, earless, eclairs, eclipse, elapses, escaper, escapes, escarps, iceless, icepail, icespar, laicise, lassies, leapers, leasers, liaises, lipases, lispers, palsies, parcels, paresis, parsecs, passers, pieless, pierces, pissier, placers, pleaser, pleases, praises, precise, presale, presses, realise, recipes, reclasp, reclass, reclips, relaces, relapse, repaces, repeals, repiles, replace, replica, replies, resails, resales, rescale, reseals, reslice, respace, respice, sacless, sailers, sapless, sassier, scalers, scalier, scalper, sclerae, scleras, scrapes, sealers, serapes, serials, sessile, silicas, sissier, slicers, spacers, spacier, special, species, spicers, spicier, spirals, spireas, splicer, splices