The word geophysical 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: 24
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (30 words)
apishly, apogeic, caliphs, calypso, celosia, chapels, cheaply, cheapos, clayish, coalise, cypsela, epilogs, epochal, gelcaps, glycose, glyphic, goalies, haplogy, hoagies, hospice, isopach, paisley, pelagic, poaches, polices, shapely, soapily, special, spyhole, sylphic