The word agribusiness 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: 19
Highest Scoring Words With Friends™ Play In The Letters agribusiness
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Seven Letter Word Alert: (46 words)
abusers, abusing, airguns, airings, arising, assigns, assures, bangers, bearing, biasing, biasses, bigness, bingers, braises, brasses, bruises, bursage, bussing, erasing, gainers, gassers, gassier, grasses, guineas, gussies, ingress, insures, issuers, issuing, raising, raisins, regains, resigns, resnubs, reusing, risings, sassier, sassing, searing, signers, singers, sinuses, sissier, sringas, suberin, sunrise