The word turbidness 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: 16
Highest Scoring Words With Friends™ Play In The Letters turbidness
:
Seven Letter Word Alert: (55 words)
bedirts, bedsits, bedusts, bestrid, bestuds, binders, bruised, bruises, burdens, busiest, busters, bustier, dissent, disturb, dunites, dustbin, dusters, dustier, inbreds, inserts, insured, insures, intrude, nudists, nutsier, rebinds, resnubs, rudites, sinters, snidest, strides, studier, studies, subedit, suberin, subnets, subside, subsite, subtend, sudsier, suiters, sunbeds, sunbird, sunrise, tinders, tissued, tribune, trussed, turbine, undress, undrest, uniters, unrests, untired, untried