The word propositioning 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™ Plays In The Letters propositioning
:
Seven Letter Word Alert: (44 words)
ignitor, introns, ironing, nipping, nonpros, nonriot, nonstop, noosing, notions, opining, opinion, options, origins, pinions, poising, pontoon, pooping, porting, portion, posting, potions, protons, rinsing, rioting, ripping, ripstop, rooting, sipping, sniping, snoring, sooting, sopping, sorting, spiring, spiting, spongin, sporing, sporont, stoning, storing, tipping, topping, topspin, torsion