Verses with the word contentions in the New Testament (2 verses):

1 Corinthians 1:11
For it hath been declared unto me of you, my brethren, by them which are of the house of Chloe, that there are contentions among you.

Titus 3:9
But avoid foolish questions, and genealogies, and contentions, and strivings about the law; for they are unprofitable and vain.