Strong's #2555: chamac (pronounced khaw-mawce')
 from 2554; violence; by implication, wrong; by meton. unjust gain:--cruel(-ty), damage, false, injustice, X oppressor, unrighteous, violence (against, done), violent (dealing), wrong.
Brown-Driver-Briggs Hebrew Lexicon:
 
  châmâs 
 
 1) violence, wrong, cruelty, injustice
 
  Part of Speech: noun masculine
Relation: from H2554
  Same Word by TWOT Number: 678a
Usage:
This word is used 60 times:
Jonah 3:8: "from his evil way, and from  the violence that is in their hands."
Micah 6:12: "For the rich men thereof are full  of violence, and the inhabitants thereof have spoken and their tongue"
Habakkuk 1:2: "and thou wilt not hear! even cry out  thee of violence, and thou wilt not save!"
Habakkuk 1:3: "and cause me to behold grievance? for spoiling  and violence are before me: and there are that raise up strife"
Habakkuk 1:9: "They shall come all  for violence: their faces shall sup up as the east wind, the captivity"
Habakkuk 2:8: "shall spoil thee; because of men's blood,  and for the violence of the land, of the city, and of all"
Habakkuk 2:17: "For  the violence of Lebanon shall cover thee, and the spoil of beasts, because of men's"
Habakkuk 2:17: "because of men's blood,  and for the violence of the land, of the city, and of all"
Zephaniah 1:9: "which fill their masters' houses  with violence and deceit."
Malachi 2:16: "that he hateth for one covereth  violence with his garment, saith the LORD"