The word nightingales 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: 21
Highest Scoring Words With Friends™ Plays In The Letters nightingales
:
Seven Letter Word Alert: (83 words)
aiglets, aisling, alights, angling, anglist, aniline, antigen, asinine, elastin, elating, english, enlight, entails, gaining, gaiting, gashing, gelatin, genials, genital, gentian, ginseng, glisten, haggles, haglets, hailing, halites, halting, hanging, healing, heating, hinging, hinnies, hinting, ignites, inhales, inlines, insight, intagli, lashing, lasting, lathing, leaning, leasing, lengths, lensing, ligates, lighten, lignins, lignite, linings, linnets, listing, nailing, nailset, nesting, nightie, sailing, salient, salting, sealing, seating, shingle, shining, sieging, sighing, signage, signing, silting, singing, singlet, slating, sleight, snaggle, sniggle, staging, tagline, tailing, tangles, teasing, tensing, tilings, tinging, tingles