The word celebrants 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: 18
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (68 words)
absence, antlers, baleens, banters, beaters, berates, blaster, bleater, cablers, canters, cantles, carbeen, carbene, careens, cartels, centers, central, centres, cerates, cereals, clarets, cleaner, cleanse, creates, earnest, eastern, elaters, enabler, enables, enteral, eternal, lancers, lancets, lateens, leaners, leanest, lectern, nearest, nectars, realest, rebales, rebates, reblast, reblent, recanes, recants, reclean, reenact, relaces, relates, relents, rentals, rescale, reslant, saltern, scalene, scanter, scarlet, scenter, sclerae, stabler, stealer, sterane, sternal, tenable, trances, treacle, trebles