The word switchboards 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: 24
Highest Scoring Words With Friends™ Play In The Letters switchboards
:
Seven Letter Word Alert: (31 words)
adsorbs, airshow, astroid, batoids, bistros, boarish, borscht, carotid, castors, catbird, chariot, cohabit, costars, cowards, cowbird, disbars, drastic, hairdos, haricot, isobars, orchids, ostrich, racists, rhotics, scabrid, scorias, shadows, strobic, toadish, towards, wraiths