Strong's #6531: perek (pronounced peh'-rek)

from an unused root meaning to break apart; fracture, i.e. severity:--cruelty, rigour.

Brown-Driver-Briggs Hebrew Lexicon:

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perek

1) harshness, severity, cruelty

Part of Speech: noun masculine

Relation: from an unused root meaning to break apart

Usage:

This word is used 6 times:

 

Exodus 1:13: "the children of Israel to serve with rigor:"
Exodus 1:14: "their service, wherein they made them serve, was with rigor."
Leviticus 25:43: "Thou shalt not rule over him with rigor; but shalt fear thy God."
Leviticus 25:46: "ye shall not rule one over another with rigor."
Leviticus 25:53: "hired servant shall he be with him: and the other shall not rule with rigor over him in thy sight."
Ezekiel 34:4: "have ye sought that which was lost; but with force and with cruelty have ye ruled"