The word stabilisers 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: 15
Highest Scoring Words With Friends™ Play In The Letters stabilisers
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Seven Letter Word Alert: (53 words)
abseils, airiest, airless, albites, alibies, artless, asserts, astilbe, baiters, barites, bassets, bassist, basters, biasses, bitsier, blaster, blisses, blister, braises, braless, brasses, breasts, bristle, irisate, lassies, liaises, libates, realist, rebaits, reblast, relists, resails, resists, retails, ribless, riblets, risible, sailers, saltier, sassier, satires, serials, siestas, siltier, sissier, sisters, slaters, slatier, stabler, stables, tassels, triable, tribals