catralion Noun, n, catralion quadrillion Appox. usage (any sense): 0.279 per million words Appox. usage (any sense): 0.279 per million words
cvadrilion Noun, n, cvadrilion quadrillion Appox. usage (any sense): 0.09 per million words Appox. usage (any sense): 0.09 per million words