The word bookbinderies 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
Seven Letter Word Alert: (57 words)
bedsore, benders, bendier, binders, binodes, bioinks, birdies, bonkers, bookend, bookers, bookies, boreens, bribees, brisked, brisken, deboner, debones, deniers, denoise, derbies, dibbers, diesink, dinkier, dinkies, disrobe, doeskin, ebonies, ebriids, endorse, enrobed, enrobes, erosion, inbreds, inbreed, indoors, indorse, insider, iodines, iodiser, ionised, ioniser, ironies, knobbed, knobber, nibbers, nobbier, noisier, rebinds, rebonds, rebooks, reinked, ribbons, robbins, rookies, rosined, snooker, sobered