Swift, Swiftly - Vine's Expository Dictionary of New Testament Words
Swift, Swiftly
[ 1,,G3691, oxus ]denotes swift" in Romans 3:15. See SHARP.
[ 2,,G5036, tachus ]
"swift, speedy," is used in James 1:19. Cp. tacheos, tachu and tacheion, "quickly," tachos, "quickness, speed."
[ 3,,G5031, tachinos ]
a poetical and late form of No. 2, "of swift approach," is used in 2 Peter 1:14, RV, "swiftly" (AV, "shortly"), lit., "(the putting off of my tabernacle is) swift," i.e., "imminent;" in 2 Peter 2:1, "swift (destruction)." In the Sept., Proverbs 1:16; Isaiah 59:7; Habakkuk 1:6.