The word "rondacher" is spelled with a schwa sound between the "n" and "d" which is represented by the symbol /ə/. The correct spelling of the word is "rondache," which is a type of medieval armor that covers the back and ribs. The pronunciation of the word is "RON-duh-shay" with the stress on the second syllable. It is important to use the correct spelling and pronunciation of words in order to communicate clearly and effectively.