vitriol Noun, n, vitriol vitriol Appox. usage (any sense): 0.234 per million words Appox. usage (any sense): 0.234 per million words
vitrion Noun, n, vitrion obsolete form of vitriol Appox. usage (any sense): less than 0.1 per million words Appox. usage (any sense): less than 0.1 per million words