The word subvocalizing 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: 37
Highest Scoring Words With Friends™ Play In The Letters subvocalizing
:
Seven Letter Word Alert: (56 words)
aboulic, abusing, agnosic, aisling, albinic, albinos, alginic, avionic, bailing, biasing, bivouac, blazing, blazons, boiling, bolivia, bousing, bucinas, cabling, calving, causing, cingula, closing, coalbin, coaling, coiling, glucans, gluonic, goblins, lacings, liaison, livings, lousing, nicosia, oilcans, sailing, salving, saucing, scaling, sibling, silicon, slaving, slicing, soiling, solving, subgoal, uncivil, unclogs, uncoils, valuing, vialing, vicious, violing, violins, voicing, zincous, zonulas