Verses with the word spare in the New Testament (5 verses):

Luke 15:17
And when he came to himself, he said, How many hired servants of my father's have bread enough and to spare, and I perish with hunger!

Romans 11:21
For if God spared not the natural branches, take heed lest he also spare not thee.

1 Corinthians 7:28
But and if thou marry, thou hast not sinned; and if a virgin marry, she hath not sinned. Nevertheless such shall have trouble in the flesh: but I spare you.

2 Corinthians 1:23
Moreover I call God for a record upon my soul, that to spare you I came not as yet unto Corinth.

2 Corinthians 13:2
I told you before, and foretell you, as if I were present, the second time; and being absent now I write to them which heretofore have sinned, and to all other, that, if I come again, I will not spare: