The word tintometers 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: 15
Highest Scoring Words With Friends™ Plays In The Letters
Seven Letter Word Alert: (46 words)
emitter, emoters, entries, erotise, estrone, intorts, isomere, itemset, mentors, meronts, meteors, metrise, metrist, minters, mittens, moisten, moister, monster, mortise, netters, norites, omitter, onetime, orients, reemits, remines, remints, remotes, retimes, retints, rosette, smitten, snotter, stonier, tenters, tentier, termite, testier, tinters, titters, tomtits, tonette, torment, totters, trienes, triones