The word susceptibilities cannot be made in Words With Friends™. It is 16 letters long, too long to fit on a WordsWithFriends board (15 letters max).
Highest Scoring Words With Friends™ Play In The Letters susceptibilities
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Seven Letter Word Alert: (72 words)
betitle, biscuit, bisects, bitsets, blesses, blisses, busiest, bustles, butties, celsius, cesspit, cubists, cubless, cultist, cupless, cutlets, eclipse, elicits, elitist, epistle, iceless, ileitis, lettuce, leucite, lucites, lutists, lutites, pelites, pelitic, pestles, petites, petless, pieless, pieties, pietist, pistils, pitless, plusses, publics, pussies, putties, sculpts, scuttle, selects, septets, septics, sessile, sestets, settles, sluices, species, spicule, spittle, splices, stipite, stipule, sublets, sublist, subsect, subsets, subsist, subsite, subtest, suspect, tieless, tipless, tissues, tsetses, tubless, tussles, useless, utilise