The word aquicultures 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: 28
Highest Scoring Words With Friends™ Play In The Letters aquicultures
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Seven Letter Word Alert: (55 words)
acquest, acquire, acquist, acquits, article, auricle, auscult, auteurs, calquer, calques, cartels, castile, cauters, cirques, clarets, cliques, cluster, cristae, crustal, culture, curates, curials, curtail, eclairs, elastic, estrual, laciest, lacquer, liqueur, lucites, lustier, quartic, querist, quilter, raciest, racquet, realist, recital, recusal, retails, rituals, rutiles, saltier, saluter, saucier, scalier, scarlet, secular, slatier, sluicer, sulcate, sutural, tequila, uralite, uricase