The word wonderfulness 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: 24
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (99 words)
defouls, defuser, defuses, delouse, dewless, dousers, downers, dowress, dowsers, drowses, duelers, eldress, eluders, endless, endorse, endures, enfolds, ensouls, ensured, ensures, fenders, fennels, fewness, flensed, flenser, flenses, flossed, floured, flowers, folders, fondler, fondles, fondues, forseen, founder, fowlers, frowned, fuelers, funders, funnels, furless, lenders, lowered, lowness, needful, neurons, newness, nodules, nonfeed, nonfree, nonself, nonuser, oldness, oneness, oneself, ourself, ownself, redness, reendow, reflown, reflows, refolds, refound, refuels, refunds, refused, refuses, renowns, resends, resoled, resoles, resound, resowed, rewelds, rewound, rodless, roundel, rundown, runnels, senders, slender, solders, sounder, sulfone, sundown, undoers, undress, unflown, unfolds, unfreed, unowned, unreels, unsowed, unswore, unsworn, welders, wonders, worsens, wounder