The word starchlike 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: 20
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (76 words)
achiest, aitches, alethic, archlet, article, cakiest, cartels, cashier, castile, catlike, chalets, chaster, cithers, clarets, clasher, cristae, eclairs, elastic, ethical, hackers, hackles, halites, halters, hastier, karites, karstic, kilters, kirtles, laciest, larches, larkish, latches, lathers, lickers, raciest, rackets, ratlike, realist, rechalk, recital, restack, restick, retacks, retails, richest, rickets, ricksha, saclike, saltier, satchel, scalier, scarlet, shackle, shakier, shalier, shitake, slacker, slather, slatier, slicker, slither, stacker, stalker, sticker, stickle, tackers, tackier, tackler, tackles, talkers, talkies, thicker, tickers, tickler, tickles, trickle