The word gaussmeter 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: 16
Highest Scoring Words With Friends™ Play In The Letters gaussmeter
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Seven Letter Word Alert: (29 words)
assumer, austere, estrums, euaster, gametes, gearset, gesture, greases, guesser, gumtree, masseur, masters, matures, measure, message, musters, remates, reseats, restage, restems, resumes, reteams, seamers, seaters, stagers, steamer, streams, teasers, ureases