How to spell, from "A-D-A-G-I-O" to "Z-U-C-C-H-I-N-I" At last, everything you need to master the art of spelling. Learn the basic rules and all their annoying exceptions, plus 26 words of unknown origin, like "curmudgeon." - Discover the four most commonly misspelled word types (#3: words with a "schwa"). - Don't know what a "schwa" is? Aren't sure about the difference between antonyms and eponyms? Discreet and discrete? Here's your chance to learn...