The word encroachers 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 encroachers
:
Seven Letter Word Alert: (51 words)
acerose, achenes, anchors, archers, archons, arsheen, cachers, cancers, canoers, careens, careers, chances, chancre, coaches, coarsen, coarser, coercer, coerces, coherer, coheres, conches, corneas, corners, crasher, creaser, creches, earners, echoers, encores, hearers, hoarser, necrose, rancher, ranches, rancors, reacher, reaches, rearose, recache, recanes, rechose, rehears, rehones, rescore, reshare, reshore, roaches, scarcer, scorner, screech, shearer