The word microorganisms 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: 26
Highest Scoring Words With Friends™ Play In The Letters microorganisms
:
Seven Letter Word Alert: (69 words)
agnosic, agonism, airings, ammonic, animism, arising, caisson, carrion, casings, casinos, cassoon, comings, commons, coronas, corsair, cosigns, cosmism, crimson, iconism, incisor, isogons, isogram, maiming, marconi, margins, maroons, marring, masonic, massing, miasmic, microns, mimosas, minicam, minimas, misaims, miscoin, missing, mission, mooring, moronic, mosaics, mossing, nicosia, omicron, oncosis, organic, origami, origins, racisms, racoons, raising, raisins, ramming, rancors, ransoms, rimming, risings, roaming, roaring, rooming, scaring, scorias, scoring, signora, signors, simians, soaring, somonis, sringas