Strong's G1311 — διαφθείρω (verb)
diaphtheiro (dee-af-thei'-ro) v.
1. to rot thoroughly
2. (by implication) to ruin
3. (passively) decay utterly
4. (figuratively) pervert
[from G1225 and G5351]
KJV: corrupt, destroy, perish 
Root(s): G1225, G5351 
Hebrew root: φθείρω
Occurrences: 6