The word granulocyte 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
Seven Letter Word Alert: (62 words)
acolyte, acutely, autoecy, catelog, catogen, cautery, centaur, central, century, clangor, cloture, cognate, congeal, corneal, cotylae, cotylar, coulter, counter, country, courage, courtly, cruelty, cryogen, cutlery, enactor, gaunter, gauntly, gauntry, glancer, gloater, granule, grayout, greatly, gruntle, lactone, languor, larceny, latency, lounger, nectary, neutral, nuclear, orangey, outearn, outrace, outrage, reclang, recount, regulon, tangelo, tourney, treacly, trounce, truancy, truncal, unalert, unalter, unclear, uncrate, unlayer, urgency, younger