Strong's #3998: mbuwkah (pronounced meb-oo-kaw')
 from 943; perplexity:--perplexity.
Brown-Driver-Briggs Hebrew Lexicon:
 ּ 
  mebûkâh 
 
 1) confusion, perplexity, confounding
 
  Part of Speech: noun feminine
Relation: from H943
Usage:
This word is used 2 times:
Isaiah 22:5: "it is a day of trouble, and of treading down,  and of perplexity by the Lord GOD of hosts in the valley"
Micah 7:4: "and thy visitation cometh; now shall be  their perplexity."