The word lubricates 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: 18
Highest Scoring Words With Friends™ Play In The Letters lubricates
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Seven Letter Word Alert: (72 words)
ablutes, albites, article, ascribe, astilbe, auricle, baiters, barites, becrust, becurls, blaster, blastic, blister, bluster, bristle, brucite, burials, bursate, bustier, bustler, butlers, cablers, caliber, calibre, cartels, castile, cauters, citable, clarets, cluster, cristae, crustal, curable, curates, curials, curtail, eclairs, elastic, estrual, laciest, libates, lucites, lustier, raciest, realist, rebaits, reblast, rebuilt, recital, recusal, retails, riblets, rituals, rutiles, saltier, saluter, saucier, scalier, scarlet, scribal, secular, slatier, sluicer, stabler, subrace, subrail, subtler, sulcate, triable, tribals, uralite, uricase