The word prettiness 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: 14
Highest Scoring Words With Friends™ Play In The Letters prettiness
:
Seven Letter Word Alert: (49 words)
entries, inepter, inserts, insteps, nesters, netters, penises, persist, pesters, petites, pettier, present, presets, pretest, priests, pterins, renests, repents, repines, resents, respins, respite, resteps, retests, retints, seitens, septets, serpent, sestine, setters, sinters, sitters, snipers, spinets, spriest, sprints, sprites, streets, stripes, tensest, tenters, tentier, terpine, tersest, testers, testier, tinters, tipster, trienes