Reproof, Reprove - Vine's Expository Dictionary of New Testament Words

Reproof, Reprove

[ A-1,Noun,G1650, elegmos ]
a reproof" (akin to B), is found in the best texts in 2 Timothy 3:16 (some mss. have elenchos, which denotes "a proof, proving, test," as in Hebrews 11:1, "proving," RV marg., "test"). Cp. elenxis, "rebuke," 2 Peter 2:16 (lit., "had rebuke").

[ B-1,Verb,G1651, elencho ]
"to convict, rebuke, reprove," is translated "to reprove" in Luke 3:19; John 3:20, RV marg., "convicted;" the real meaning here is "exposed" (AV marg., "discovered"); Ephesians 5:11, Ephesians 5:13, where "to expose" is again the significance; in John 16:8, AV, "will reprove" (RV, "will convict"); in 1 Corinthians 14:24, RV, "reproved" (AV, "convinced"); in the following the RV has "to reprove," for AV, "to rebuke," 1 Timothy 5:20; Titus 2:15; Hebrews 12:5; Revelation 3:19; for synonymous words See CONVICT and REBUKE.

Vine's Expository Dictionary of New Testament Words