As Mark Twain once quipped, "The difference between the right word and the almost right word is the difference between lightning and the lightning bug."
When you are sick to your stomach, are you nauseated or nauseous? If you say "nauseous," you're telling people that you are making them sick to their stomachs. Oops!
Is everytime one word or two? It's always two words. But what about everyone? Check out this website for the answer: Common Errors in English: http://www.wsu.edu:8080/~brians/errors/errors.html#errors
Bookmark this terrific website, and you'll never use the wrong word again.
