The word echocardiography cannot be made in Words With Friends™. It is 16 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: (68 words)
accoyed, airdrop, airhead, apogaic, apogeic, archaic, archery, arrayed, cacoepy, cardiac, carried, chaired, charade, charged, charger, charier, charred, chicory, chirped, chirper, choicer, choragi, choregi, choroid, coached, cochair, cordage, corpora, corrode, daycare, diarchy, digraph, drapery, drayage, eardrop, edaphic, eparchy, goopier, graphed, graphic, grocery, hagride, hagrode, haircap, hardier, hayride, headcap, hoarder, hoarier, orchard, parader, parched, peccary, pharaoh, poached, poacher, pooched, porched, preachy, prodigy, racecar, radiary, rapider, regraph, ripcord, roached, roadhog, yardage