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superheterodyne
superhigh frequency
superhighway
superhuman
superimpose
superincumbent
superinduce
superinfection
superinsulation
superintend
superintendent
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Superior, Lake
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supergrass

su·per·grass [ spər gràss ] (plural su·per·grasses)


noun 
Definition:
 
U.K. police informer: somebody who gives information to the police or security forces implicating a large number of criminals or terrorists ( informal )

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