Two changes can be made to the following words to create new words. The new words will have something in common.

1. CHORD
2. COARSE
3. GUYS
4. PLEAS
5. CENT

HINTS:
#1: It has to do with homophones.
#2: It has to do with a certain prefix.

Answers:

A homophone of each word can be preceded by DIS to form new words:

1. DISCORD
2. DISCOURSE
3. DISGUISE
4. DISPLEASE
5. DISSENT 

Credit: 
Idea: Ty Timmons
PUT-DOWNS