The word catheterizes 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: 26
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (74 words)
achiest, aeriest, aitches, artiest, atheise, atheist, atheize, attires, cashier, cattier, cerates, chaster, chatter, cheater, cithers, citrate, crazies, creates, cristae, czarist, eeriest, etchers, etheric, hastier, hatters, haziest, heaters, hectare, heretic, hertzes, hitters, iratest, iterate, raciest, ratchet, rattish, reaches, recheat, recites, reheats, reseize, restate, retaste, retches, reteach, richest, scatter, secrete, seether, seriate, shatter, sheeter, statice, stretch, striate, tartish, tastier, teacher, teaches, techies, teeters, teether, teethes, testier, tethers, theater, theatre, thereat, threats, tithers, trisect, tzarist, zestier, zithers