The word plasticising 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: 22
Highest Scoring Words With Friends™ Plays In The Letters plasticising
:
Seven Letter Word Alert: (45 words)
aisling, alginic, anglist, aplitic, casings, casting, catnips, inclasp, initial, intagli, italics, lacings, lapsing, lasting, lisping, listing, passing, pasting, pianist, pigtail, pilings, pintail, pistils, placing, plastic, plating, sailing, salting, sapling, scaling, signals, silicas, silting, slating, slicing, spacing, spastic, spicing, spinals, spiting, splints, tailing, tailpin, tapings, tilings