Choose the word that has the underlined part pronounced differently from the rest:  
confidence              protect               clock               constancy
A. confidence              
B. protect               
C. clock               
D. constancy

Choose the word that has the underlined part pronounced differently from the rest:
education                  certificate                  core                  obstacle
A. education                  
B. certificate                  
C. core                  
D. obstacle

Choose the word that has the underlined part pronounced differently from the rest:
explained              disappointed               prepared                 interviewed
A. explained              
B. disappointed               
C. prepared                 
D. interviewed

Choose the word that has the underlined part pronounced differently from the rest:
promise             devise             surprise               realise
A. promise             
B. devise             
C. surprise               
D. realise

Choose the word that has the underlined part pronounced differently from the rest:  
bought              sought             drought            fought
A. bought              
B. sought             
C. drought            
D. fought

Choose the word that has the underlined part pronounced differently from the rest:
course               four                our                 yours
A. course 
B. four 
C. our 
D. yours

Choose the word that has the underlined part pronounced differently from the rest: 
south                  north                smooth                 growth
A. south  
B. north   
C. smooth  
D. growth

Choose the word that has the underlined part pronounced differently from the rest:  
afraid             mistake              appointment               organism
A. afraid            
B. mistake            
C.  appointment               
D. organism

Choose the word that has the underlined part pronounced differently from the rest:
 tense                nurse                 promise                noise
A. tense 
B. nurse 
C. promise 
D. noise

Choose a word that has different stress pattern:
explain              obtain             promise              suspect
A. explain              
B. obtain             
C. promise              
D. suspect