Artificial intelligent assistant

usurpor

uˈsurpor Obs. rare.
  Also 5–6 -our.
  [a. AF. usurpor: see usurp v. and -or 2.]
  = usurper.

1474 Rolls of Parlt. VI. 119/2 Harry the sext late usurpour. 1563 Mirr. Mag., Hastings xciii, The vsurpour Boare, that hellyshe freak. 1586 J. Ferne Blaz. Gentrie 303 If the Vsurpor haue enemies that compasse his death.

Oxford English Dictionary

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