The word decontrols 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: 16
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (32 words)
cloners, coldest, colters, condole, condors, console, consort, control, coolers, coolest, cordons, cornets, coronet, creosol, croodle, crooned, decolor, doctors, looters, noodles, ocelots, retools, rodents, roosted, scolder, scooted, scooter, scorned, snooted, snorted, stooled, toolers