The word vascularises 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: 21
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (63 words)
acerval, aerials, airless, aliases, assails, assures, auricle, avarice, carless, casuals, causers, caviler, celsius, classes, clauses, clavier, cruises, curials, cursive, cussers, eclairs, issuers, lassies, rascals, reavail, reclass, recusal, resails, sacless, sacrals, sailers, salivas, salvers, salvias, sassier, saucers, saucier, scalars, scalers, scalier, scarves, scleras, secular, serials, servals, silvers, slavers, slicers, slivers, sluicer, sluices, sucrase, surveil, uricase, valuers, varices, vassals, velaria, velaric, vesical, viruses, viscera, visuals