Concept:Stress pattern means which syllable in a word is said with greater force.
Explanation:A.
reduce – stress is on the second syllable: re-DUCE.
B.
prolong – stress is on the second syllable: pro-LONG.
C.
remove – stress is on the second syllable: re-MOVE.
D.
purpose – stress is on the first syllable: PUR-pose.
Words A, B, and C all have stress on the second syllable.
Only word D has stress on the first syllable.
Therefore, the word with a different stress pattern is option D.
Answer:D. purpose