The word electrocardiogram cannot be made in Words With Friends™. It is 17 letters long, too long to fit on a WordsWithFriends board (15 letters max).
Highest Scoring Words With Friends™ Plays In The Letters
Seven Letter Word Alert: (277 words)
academe, acceder, accited, acclaim, accrete, acerate, acreage, admiral, admirer, aerated, aerator, aerogel, agamete, agatoid, aircool, airdate, alamode, alarmed, alerted, alerter, aloetic, altered, amerced, amercer, areolae, areolar, armload, armoire, armored, armorer, article, cacemia, cacolet, calcite, caldera, caloric, calorie, camelid, caramel, cardiac, carload, caroled, caroler, carotid, carried, carrier, cartage, catalog, catelog, catered, caterer, ceramic, circled, circler, circlet, citadel, claimed, claimer, cleared, clearer, climate, cloacae, coacted, coactor, coadmit, coalier, coalite, coaltar, coeliac, coerced, coercer, colorer, comedic, cometic, comical, comrade, cordage, cordate, cordial, correct, corrode, coterie, cotidal, creamed, creamer, created, creator, cremate, croodle, damager, datalog, dealate, decalog, decamer, decimal, declaim, declare, decolor, decrial, decrier, delator, deltaic, demerit, demerol, demotic, diagram, dialect, dilater, dilator, dimeter, diorama, dogcart, domatia, domatic, doormat, dormice, dreamer, drooler, earldom, earlier, earmold, elector, elegaic, elegiac, emailed, emerald, emirate, erector, erotica, erratic, etaerio, gametic, gelated, geocode, geodome, geoidal, germier, glacier, gleamed, gloamed, gloated, gloater, gloried, goateed, godetia, godlier, gracile, gradate, greater, grimace, groomed, groomer, icecold, icecool, lagered, lardier, legroom, leotard, ligated, limeade, loamier, located, locator, magical, mailcar, maleate, malodor, maltier, margate, marital, marlite, married, marrier, martial, matador, meagrer, mealier, meatier, mediate, medical, megarad, melodic, merited, merrier, metaled, metical, migrate, mileage, miracle, mirador, mitered, miterer, modeler, moldier, moodier, moorage, motlier, motored, oatmeal, octadic, octamer, oldtime, oracled, orderer, racecar, racemed, racemic, radiate, radical, radicel, radicle, ragtime, railcar, ratrace, reacted, reactor, readier, readmit, realgar, realter, realtor, rearmed, recital, recited, reciter, reclaim, recolor, recrate, redealt, redream, redroot, regalia, regrade, regrate, regroom, reimage, relaced, related, relater, relodge, remated, remodel, remoter, reoiled, reorder, retiled, retimed, retimer, retired, retirer, retrace, retrade, retread, retrial, retried, roomier, tardier, tarried, tarrier, tearier, tearoom, telecom, telomer, terrace, terrier, terroir, tiaraed, tireder, trailed, trailer, tramcar, treacle, treader, treadle, tremolo, trigram, trireme