The word glutethimides 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: 23
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (57 words)
deities, delight, delimes, delimit, deluges, deslime, dieties, dietist, dilutes, ditties, duelist, edgiest, elegist, elegits, elitism, elitist, emitted, emulged, emulges, gluiest, glutted, guested, guilted, heisted, heliums, helmets, humites, hustled, itemise, itemset, legumes, lighted, limited, lithium, lutites, mettled, mettles, midgets, mildest, misedit, mitiest, settled, shuttle, sidelit, sighted, sleight, slitted, smelted, smutted, stilted, stimied, stimuli, tediums, thistle, tidiest, ugliest, utilise