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Use "rackers" in a sentence
"I abhor such fanatical phantasimes, such insociable and point-devise companions; such rackers of orthography..."
"I abhor such fanatical phantasimes, such insociable and point-devise companions; such rackers of orthography, as to speak dout, fine, when he should say doubt; det, when he should pronounce debt, — d,"
"One person will keep to acrostics and other word puzzles, another to mathematical brain-rackers, another to chess problems (which are merely puzzles on the chess-board, and have little practical relation to the game of chess), and so on."