The word calligraphist 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: 25
Highest Scoring Words With Friends™ Play In The Letters calligraphist
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Seven Letter Word Alert: (50 words)
achiral, agarics, airgaps, airship, alights, allstar, alright, aphasic, aplitic, asphalt, caliphs, caltrap, capital, carpals, clipart, galtrap, garlics, gastric, girlish, glacial, graphic, haircap, haptics, harpist, ischial, italics, largish, lariats, pachisi, pariahs, partial, patrial, phallic, philtra, phrasal, piarist, pigtail, pillars, plastic, plights, satiric, spacial, spatial, splatch, spright, tallish, thralls, thrills, tigrish, tilapia