The word pejoratively 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: 31
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (43 words)
elative, etaerio, irately, layover, olivary, operate, ovately, overate, overeat, overlap, overlay, overlie, overlit, overpay, overtip, overtly, peatier, perlite, petiole, pivotal, pivoter, plovery, politer, poverty, prelate, prelaty, prevail, private, pteryla, reality, repilot, repivot, replait, replate, repleat, reptile, tearily, topiary, toprail, tripole, variety, violate, yperite