The word achromatizing 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: 33
Highest Scoring Words With Friends™ Play In The Letters achromatizing
:
Seven Letter Word Alert: (42 words)
amazing, angioma, arching, carting, chagrin, chariot, chiming, choragi, choring, chroman, coating, coatman, crating, crazing, czarina, haricot, harming, ignitor, itching, marconi, martian, martini, migrant, moating, monarch, narcoma, oghamic, orating, organic, origami, rainhat, rhizoma, rioting, roaming, tangram, thiamin, tracing, tzarina, zacaton, zingara, zingari, zingaro