Rabidness
Usage examples:
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The dangers of Hebraism lay in excess of absorption, in a proneness to fanaticism, in an obstinacy which might become rabidness in a certain misplaced loudness and disregard of dignity.
T. G. Tucker in "Platform Monologues". -
Beneath the Jaquesian melancholy of my temperament he diagnosed the potentiality of canine rabidness
William J. Locke in "The Morals of Marcus Ordeyne".