The word altimeters 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: 14
Highest Scoring Words With Friends™ Play In The Letters altimeters
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Seven Letter Word Alert: (69 words)
aeriest, armlets, artiest, attires, elaters, emirate, emitter, iratest, itemset, iterate, latites, letters, litters, mailers, maltier, marlite, matters, mealier, meatier, melters, metrise, metrist, mettles, mistral, rattles, realest, realise, realism, realist, reemits, relates, remails, remates, remelts, resmelt, restate, retails, retaste, reteams, retiles, retilts, retimes, retitle, saltier, seamier, seriate, seriema, settler, slatier, slitter, smartie, smatter, smelter, starlet, starlit, startle, stealer, steamer, sterile, stilter, striate, tastier, teatime, termite, tertial, testier, tilters, tramels, trestle