The word transaminases 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 transaminases
:
Seven Letter Word Alert: (72 words)
airmass, amanita, amasses, amastia, amentia, amnesia, amritas, anaemia, animate, antsier, artisan, artsman, artsmen, assarts, assents, asserts, atresia, entrain, inmates, insaner, inseams, inserts, instars, interns, manners, mantras, marinas, marines, martens, martian, martins, masters, minaret, minters, misseat, misters, nastier, raiment, remains, remints, remnant, resists, restain, retains, retinas, samaras, sariama, sassier, satires, searats, seastar, seitans, seminar, sestina, siennas, siestas, sinners, sinters, sirname, sisters, smarten, smartie, smiters, stainer, stamens, stamina, strains, streams, tanners, tinners, tsarina, tsarism