The word chromatographical 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: (85 words)
acclaim, accompt, achiral, acholia, aircool, airport, alright, amphora, aphagia, apogaic, apricot, archaic, atropia, caloric, caltrap, caltrop, camphor, capital, capitol, captcha, cariama, carpool, carport, catalog, catarrh, chaotic, chariot, choragi, chromic, clipart, coactor, coalpit, coaltar, cochair, comical, compact, compart, comport, copilot, corpora, galtrap, galtrop, graphic, haircap, haricot, hightop, locator, magical, mailcar, malacia, malaria, marital, martial, morphic, octarch, oghamic, optical, optimal, paralog, partial, patrial, pharaoh, philtra, piccolo, polaric, porotic, portico, potamic, practic, proctor, program, prootic, railcar, rampart, tapioca, taproom, thalami, toparch, topical, toprail, tramcar, triarch, trigram, trochar, trophic