The word terramycins 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 terramycins
:
Seven Letter Word Alert: (76 words)
amenity, amnesic, amnesty, antsier, anytime, arcsine, armrest, arsenic, artsier, artsmen, canters, carmine, carnies, carries, carters, certain, cinemas, cistern, craters, cretins, cristae, cyanise, cyanite, cystine, emacity, errants, erratic, icemans, icetray, inmates, mariner, marines, marries, martens, martins, martyrs, mastery, metrics, minaret, mincers, minters, nastier, nectars, nectary, nematic, raciest, raiment, ranters, recants, remains, remints, restain, retains, retinas, retrain, retrims, scanter, scarier, screamy, seminar, sirname, smarten, smarter, smartie, stainer, strayer, streamy, tarries, ternary, terrain, tracers, tracery, trainer, trances, trimers, triynes