Artificial intelligent assistant

prevary

preˈvary, v. Obs. rare—1.
  [prob. a. OF. prévarier (12th c. in Hatz.-Darm.), ad. L. prævāricārī: see prevaricate v.]
  trans. To pervert: = prevaricate v. 6.

1541 R. Copland Guydon's Quest. Chirurg. B j b, He ought to knowe the accydentes that chaunce to come in dyseases for often tymes it preuaryeth the same selfe cure of the dyseases as Gaylen declareth [orig. totam curam præuaricant et peruertunt].

Oxford English Dictionary

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