The word spindleshanks 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: 26
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (71 words)
aidless, alpines, annelid, asepsis, ashless, delinks, delphis, denials, dishpan, dispels, endlink, halides, handles, hankies, hapless, hassles, headpin, helipad, hipness, inhaled, inhales, inkless, inkpads, inlands, islands, kidless, kidnaps, kinases, kindles, kinless, lassies, lindens, lipases, napkins, napless, palsied, palsies, pansies, pinhead, pinkens, pinless, planked, planned, plashed, plashes, plinked, sadness, salines, sapless, shields, shinned, shinpad, siennas, silanes, silkens, sinless, skidpan, skinned, slashed, slashes, slinked, snailed, snakish, spaniel, spanked, spanned, spinals, spindle, spinels, splined, splines