Verses with the word quench in the New Testament (3 verses):

Matthew 12:20
A bruised reed shall he not break, and smoking flax shall he not quench, till he send forth judgment unto victory.

Ephesians 6:16
Above all, taking the shield of faith, wherewith ye shall be able to quench all the fiery darts of the wicked.

1 Thessalonians 5:19
Quench not the Spirit.