Concept:Each word has one stressed syllable. Find the word whose stress falls on a different position from the others.Explanation:Interest is stressed on the first syllable: IN-ter-est.Revenge is stressed on the second syllable: re-VENGE.Profess is stressed on the second syllable: pro-FESS.Support is stressed on the second syllable: sup-PORT.Three words carry stress on the second syllable.Only interest carries stress on the first syllable.So interest has the different stress pattern.Answer:A. interest