The word acclimatisation 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: 26
Highest Scoring Words With Friends™ Play In The Letters acclimatisation
:
Seven Letter Word Alert: (73 words)
acacias, acclaim, aclinic, actants, actinic, actions, alicant, almanac, altoist, amanita, amastia, animals, animist, atomics, atonias, atonics, attains, calicos, canasta, cantata, cations, catmint, cattail, clastic, clinics, clitics, cloacas, coalman, coastal, coatman, colicin, colitis, comical, conical, contact, iconism, iconist, initial, italics, lacinia, laconic, laminas, liaison, lionism, malacia, maniacs, masonic, militia, miscoin, mitotic, monilia, nicosia, octants, oilcans, saltcat, satanic, scatoma, sciatic, silicic, silicon, solicit, somatic, somitic, stamina, station, stoical, stomata, tactics, tictacs, tictocs, titanic, toccata, tomcats