Strong's #1650: elegchos (pronounced el'-eng-khos)
from 1651; proof, conviction:--evidence, reproof.
Thayer's Greek Lexicon:
̓́
elegchos
1) a proof, that by which a thing is proved or tested
2) conviction
Part of Speech: noun masculine
Relation: from G1651
Citing in TDNT: 2:476, 221
Usage:
This word is used 2 times:
2 Timothy 3:16: "for doctrine, for reproof, for correction, for instruction"
Hebrews 11:1: "is the substance of things hoped for, the evidence of things not seen."