The word intravasations 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: 20
Highest Scoring Words With Friends™ Play In The Letters intravasations
:
Seven Letter Word Alert: (40 words)
anoints, artisan, artists, atonias, attains, avatars, aviator, instant, instars, intorts, introns, invitro, ivorist, nations, nirvana, nonarts, notists, ovarian, raisins, rations, rattons, savanna, savants, saviors, sonatas, statins, station, strains, straint, straits, stratas, taoists, tartans, transit, tsarina, tsarist, variant, virions, visions, visitor