The word accreditation 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™ Play In The Letters accreditation
:
Seven Letter Word Alert: (77 words)
accited, aconite, actinic, airdate, aneroid, antacid, attired, cairned, cantred, cardiac, carinae, carotid, cattier, centric, certain, citator, citrate, citrine, cittern, coacted, cocaine, codetta, conceit, concert, conidia, contact, cordate, cornett, cornice, cricoid, crinoid, deictic, denarii, detract, detrain, dictate, diction, dioecic, diorite, dottier, edition, enactor, erotica, icteric, incited, inciter, inditer, inertia, nattier, nictate, nitrate, nitride, nitrite, nittier, notated, noticed, oceanic, octadic, otarine, radiant, radiate, ricotta, rotated, tacnode, tainted, tantric, teacart, tetanic, tiaraed, tintier, titanic, toccata, tradein, trained, tranced, triadic, trident