Words commonly misspelled are often words that the writer feels he or she knows but is mistaken. He or she may have been using the wrongly spelt words for years without realizing it. Check the list below to see if you have been misspelling words. This Seemingly trivial thing can reduce the effectiveness of a business letter considerably. They are words that are misspelled and words and worlds that are missed. Given below is a list of words commonly used in business correspondence but misspelt by many. While keeping a standard dictionary is always an advantage, the following ready-made-list goes a long way in saving time in referring to dictionary every now and then.