Verses with the word contentious in the Old Testament (3 verses):

Proverbs 21:19
It is better to dwell in the wilderness, than with a contentious and an angry woman.

Proverbs 26:21
As coals are to burning coals, and wood to fire; so is a contentious man to kindle strife.

Proverbs 27:15
A continual dropping in a very rainy day and a contentious woman are alike.