Strong's #5100: nhamah (pronounced neh-haw-maw')
 feminine of 5099; snarling:--disquietness, roaring.
Brown-Driver-Briggs Hebrew Lexicon:
 
  nehâmâh 
 
 1) growling, groaning
 
  Part of Speech: noun feminine
Relation: from H5099
Usage:
This word is used 2 times:
Psalms 38:8: "and sore broken: I have roared  by reason of the disquietness of my heart."
Isaiah 5:30: "day they shall roar against  them like the roaring of the sea: and if one look unto the land, behold"