The word machicolates 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: 24
Highest Scoring Words With Friends™ Play In The Letters machicolates
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Seven Letter Word Alert: (77 words)
accites, acclaim, achiest, acholia, aitches, alecost, alethic, aloetic, ascetic, atheism, atomics, atomise, cacemia, cachets, cacolet, caeomas, calcite, caliche, calicos, calmest, caltech, castile, catches, celosia, chalets, chalice, chamois, chaotic, chemics, chemist, choices, cholate, choleic, clastic, cliches, climate, cloacae, cloacas, cloches, clothes, coaches, coalise, coalite, coastal, cochlea, coeliac, coltish, cometic, comical, elastic, ethical, halites, hamlets, holiest, homiest, hostile, isolate, laciest, lactase, lactose, latches, loathes, locates, malaise, malices, maltose, matches, metical, oatmeal, saccate, satchel, scatoma, somatic, stoical, stomach, tamales, thalami