The word sulfadiazines 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: 29
Highest Scoring Words With Friends™ Play In The Letters sulfadiazines
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Seven Letter Word Alert: (42 words)
aidless, aliased, aliases, anilide, dailies, daisies, dalasis, denials, diazane, diazine, dualise, dualize, fadeins, finales, finials, finless, fissile, infidel, infield, infused, infuses, insides, inulase, islands, liaised, liaises, salines, sandals, sensual, silanes, snafued, snailed, sulfide, sundaes, sundial, unfazed, unideal, unified, unifies, unseals, unsized, zenaida