The word penicillamines 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: 27
Highest Scoring Words With Friends™ Plays In The Letters penicillamines
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Seven Letter Word Alert: (64 words)
alpeens, alpines, amnesic, aniline, asinine, canines, cinemas, cleanse, eclipse, ellipse, empanel, emplace, emplane, enamels, enamine, encalms, encamps, enclasp, icemans, icepail, impales, impanel, implies, incense, inclasp, incline, inlines, inplace, inscape, laicise, license, lineman, linemen, malices, meanies, melanin, menaces, menisci, micella, micelle, miscall, misplan, niacins, pacemen, panicle, pelican, pemican, penance, pencase, pencils, penname, pennies, pinenes, plasmin, psalmic, scalene, scalpel, seminal, silence, silicle, spaniel, special, spelean, splenic