The word interluded 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: 15
Highest Scoring Words With Friends™ Plays In The Letters interluded
:
Seven Letter Word Alert: (30 words)
deluder, denture, denuder, detinue, detrend, detrude, detuned, detuner, diluent, diluted, diluter, endured, erudite, intrude, lenited, luddite, redline, relined, retiled, retuned, reunite, tendril, tenured, trended, trundle, undried, untiled, untired, untried, uterine