The word monetarism 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: 17
Highest Scoring Words With Friends™ Plays In The Letters
Seven Letter Word Alert: (56 words)
ammines, animose, anomers, antsier, artsmen, atomise, atomism, atoners, enamors, inmates, maestro, maimers, marines, marmite, marmots, martens, martins, matrons, memoirs, mentors, meronts, minaret, minters, mismate, misname, moaners, moisten, moister, moments, monster, moraine, mortise, nastier, norites, oarsmen, orients, otarine, raiment, rations, remains, remints, restain, retains, retinas, romaine, seminar, senator, sirname, smarten, smartie, stainer, stammer, stonier, tonearm, treason, triones