The word entanglements 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: 22
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (38 words)
eaglets, elegant, element, enamels, entente, galette, gametes, gatemen, gelates, gentles, gestalt, gestate, laments, lateens, latents, leanest, legates, magnets, mangles, mantels, mantles, meanest, melange, menages, mettles, neatens, neatest, negates, nettles, segment, talents, tangent, tangles, tannest, teenage, telnets, tenants, tentage