The word goatsuckers 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: (70 words)
acerous, actress, arkoses, arouses, cargoes, carouse, caskets, casters, castors, causers, cauters, coakers, coaster, corkage, corsage, corsets, costars, cougars, courage, courses, cuatros, curates, escorts, estrous, gaseous, gaskets, grouses, oestrus, ousters, outages, outrace, outrage, rackets, ragouts, recasts, recoats, resoaks, restack, restock, restuck, retacks, retasks, rockets, sackers, saucers, scourge, scouter, scrouge, sectors, skaters, soakers, sockets, sources, sourest, stacker, stagers, stocker, stokers, storage, streaks, strokes, suckers, sucrase, sucrose, tackers, taskers, toruses, tuckers, tuskers, urostea