The word whereabouts 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: 20
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (49 words)
abortee, abortus, austere, authors, bathers, beaters, berates, bestrew, bestrow, bewhore, boaster, boaters, borates, bothers, breathe, breaths, bursate, earshot, euaster, heaters, herbose, herbous, heteros, obtuser, outwash, outwear, rebates, rebathe, rebaths, reboast, reheats, rehouse, rethaws, roseate, sherbet, shouter, sorbate, subtree, sweater, urostea, washout, washtub, weather, webtoes, whereas, whereat, whereto, wreathe, wreaths