1: ὀξύς
(Strong's #3691 — Adjective — oxus — ox-oos' )

denotes "swift" in Romans 3:15 . See SHARP.

2: ταχύς
(Strong's #5036 — Adjective — tachus — takh-oos' )

"swift, speedy," is used in James 1:19 . Cp. tacheos, tachu and tacheion, "quickly," tachos, "quickness, speed."

3: ταχινός
(Strong's #5031 — Adjective — tachinos — takh-ee-nos' )

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 .