topspin Noun, n, topspin topspin Appox. usage (any sense): 0.021 per million words Appox. usage (any sense): 0.021 per million words
topsin Noun, n, topsin alternative form of topspin Appox. usage (any sense): less than 0.1 per million words Appox. usage (any sense): less than 0.1 per million words