A — 1: ἔμφοβος
(Strong's #1719 — Adjective — emphobos — em'-fob-os )

lit., "in fear" (en, "in," phobos, "fear"), means "affrighted," Luke 24:5 , RV (AV, "afraid"); Luke 24:37; Acts 10:4 , RV (AV, "afraid"); Revelation 11:13 . The RV omits it in Acts 22:9 . See TREMBLE.

B — 1: πτύρω
(Strong's #4426 — Verb — pturo — ptoo'-ro )

"to frighten, scare," is used in the Passive Voice in Philippians 1:28 , "be affrighted," RV, "be terrified," AV. See TERRIFY.

B — 2: ἐκθαμβέω
(Strong's #1568 — Verb — ekthambeo — ek-tham-beh'-o )

"to throw into terror," is used in the Passive sense, "to be amazed, affrighted," Mark 16:5,6 , AV (RV, "amazed" (AV). See AMAZE , B, No. 4.