The word detrimental 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: 17
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (83 words)
ailment, alerted, aliment, altered, amender, arenite, attired, deltate, demerit, dentate, detrain, dilater, dimeter, emailed, emendal, emerald, emirate, emitted, emitter, enteral, entitle, entreat, eternal, iterate, latrine, learned, lenited, limeade, lineate, maltier, mandrel, mandril, manlier, mantled, marlite, matinee, mealier, meander, meatier, mediate, merited, metaled, mettled, minaret, mineral, mitered, nattier, netmail, nettled, nitrate, raiment, ratline, rattled, readmit, reamend, redealt, redline, related, reliant, relined, remated, remined, renamed, retiled, retimed, retinal, retitle, tainted, teatime, tendril, tentier, termite, ternate, tertial, tradein, trailed, trained, trainee, treadle, treated, trenail, triaene, trident