The word chrysoprase 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 chrysoprase
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Seven Letter Word Alert: (61 words)
archers, archery, carhops, carpers, cashers, chaoses, chasers, cheapos, coarser, corpses, crasher, crashes, crasser, crosser, cyphers, cypress, eparchs, eparchy, escarps, harpers, hoarser, ospreys, parches, parsecs, parsers, pessary, phraser, phrases, poacher, poaches, porches, prayers, preachy, process, psyches, psychos, rashers, raspers, recross, reprays, resorps, respray, roaches, scapose, scarers, scorers, scraper, scrapes, scryers, seraphs, shapers, sharers, sharper, sherpas, soapers, soarers, sorcery, spacers, sparers, sparser, sprayer