The word haematologies 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: 21
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (58 words)
agamete, agatise, aiglets, alights, atheise, atheism, atomise, eaglets, egotism, elegist, elegits, elogies, elogist, galoots, gametes, gamiest, gasohol, gelates, gelatos, gliomas, goalies, goatees, goatish, gooiest, gothism, haglets, halites, hamlets, helmets, hoagies, hogties, holiest, homages, homiest, hostile, imagoes, isolate, legates, ligates, loathes, malaise, maleate, maltose, megahit, mileage, moolahs, oatmeal, oleates, omelets, oolites, ooliths, osteoma, semilog, sigmate, sleight, stoolie, tamales, thalami