Strong's #1311: diaphtheiro (pronounced dee-af-thi'-ro)
 from 1225 and 5351; to rot thoroughly, i.e. (by implication) to ruin (passively, decay utterly, figuratively, pervert):--corrupt, destroy, perish.
Thayer's Greek Lexicon:
 ́ 
 
  diaphtheirō 
 
 1) to change for the worse, to corrupt
 
 1a) of minds, morals
 
 2) to destroy, ruin
 
 2a) to consume
 
 2a1) of bodily vigour and strength
 2a2) of the worm or moth that eats provisions, clothing, etc.
 
 2b) to destroy, to kill
 
  Part of Speech: verb
Relation: from G1225 and G5351
  Citing in TDNT: 9:93, 1259
 
Usage:
This word is used 6 times:
Luke 12:33: "no thief approacheth, neither moth  corrupteth."
2 Corinthians 4:16: "our outward man  perish, yet the inward man is renewed"
1 Timothy 6:5: "Perverse disputings of men  of corrupt minds, and destitute of the truth,"
Revelation 8:9: "third part of the ships  were destroyed."
Revelation 11:18: "and great; and  shouldest destroy them which destroy the earth."
Revelation 11:18: "great; and shouldest destroy  them which destroy the earth."