The word institutionalising cannot be made in Words With Friends™. It is 18 letters long, too long to fit on a WordsWithFriends board (15 letters max).
Highest Scoring Words With Friends™ Play In The Letters institutionalising
:
Seven Letter Word Alert: (90 words)
agonist, agoutis, aisling, altoist, anglist, angulon, anoints, antlion, atoning, aulists, autists, gliosis, glottis, glutton, initial, innings, instant, insulin, insults, intagli, intuits, inulins, issuing, lasting, liaison, lignins, linings, listing, loaning, losings, lousing, lusting, lutists, nailing, nations, nonlung, nonsuit, notists, nutting, oligist, ousting, outgain, outings, outlast, outsail, outsang, outsits, sailing, salting, signals, silting, sinning, sitting, slating, slogans, soiling, stanols, stating, statins, station, statist, stoning, suiting, sultans, sunning, suntans, sustain, tailgun, tailing, tanning, tannins, taoists, tasting, tauting, tilings, tilting, tinning, tinting, titlist, toiling, tonsils, tossing, touting, tuition, tunings, unalign, uniting, unlists, unsling, unstain