99 Cent Best Seller Common K Mistakes (aberration, blunder, confusion, fault, gaffe, inaccuracy, lapse, miscalculation, misconception, misstep, omission, oversight, snafu)

aberration, blunder, confusion, fault, gaffe, inaccuracy, lapse, miscalculation, misconception, misstep, omission, oversight, snafu. The book Common K Mistakes comes highly recommended and it's one you'll really enjoy.