The word genetically 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: 21
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (25 words)
agilely, allying, angelic, calling, celling, cleanly, cyanite, elating, elegaic, elegant, elegiac, gelatin, genetic, genital, gentile, glycine, latency, lineage, lineate, neglect, tagline, telling, tillage, yealing, yelling