A — 1: τρέμω
(Strong's #5141 — Verb — tremo — trem'-o )

"to tremble, especially with fear," is used in Mark 5:33; Luke 8:47 ( Acts 9:6 , in some mss.); 2—Peter 2:10 , RV, "they tremble (not)," AV, "they are (not) afraid."

A — 2: σείω
(Strong's #4579 — Verb — seio — si'-o )

"to move to and fro, shake," is rendered "will I make to tremble" in Hebrews 12:26 , RV (AV, "I shake"). See QUAKE , SHAKE.

James 2:19SHUDDER. Acts 7:3216:29QUAKEActs 24:25 Luke 24:5AFFRIGHTED
B — 1: τρόμος
(Strong's #5156 — Noun Masculine — tromos — trom'-os )

"trembling" (akin to A, No. 1), occurs in Mark 16:8 , RV, "trembling (... had come upon them);" 1—Corinthians 2:3; 2—Corinthians 7:15; Ephesians 6:5; Philippians 2:12 .