The word hypnotisers 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
Seven Letter Word Alert: (80 words)
entropy, heroins, hipness, histone, history, honesty, hornets, hosiers, hosiery, hotness, inserts, inshore, insteps, iphones, isohyet, isotype, norites, nosiest, orients, ospreys, oysters, persist, persons, phoneys, phonier, phonies, phrensy, pistons, pointer, postern, posters, pothers, priests, prisons, pronest, protein, pterins, pyrites, pyrones, pythons, repoint, reposts, reships, respins, respots, ropiest, rosehip, rosiest, seniors, sensory, shiners, shorten, shrines, shyster, sinters, siphons, snipers, sorties, spinets, spinose, spriest, sprints, sprites, spryest, stepson, stoners, stonier, stonish, storeys, stories, stripes, stripey, strophe, syphons, tensors, thiones, thrones, triones, triynes, trypsin