A — 1: κόπτω
(Strong's #2875 — Verb — kopto — kop'-to )

"to cut or beat," used in the Middle Voice of "beating the breast or head in mourning" (cp. Luke 23:27 ), is translated "shall mourn" in Matthew 24:30 . See BEWAIL , No. 2, CUT, WAIL.

A — 2: πενθέω
(Strong's #3996 — Verb — pentheo — pen-theh'-o )

"to mourn for, lament," is used (a) of mourning in general, Matthew 5:4; 9:15; Luke 6:25; (b) of sorrow for the death of a loved one, Mark 16:10; (c) of "mourning" for the overthrow of Babylon and the Babylonish system, Revelation 18:11,15 , RV, "mourning" (AV, "wailing"); Revelation 18:19 (ditto); (d) of sorrow for sin or for condoning it, James 4:9; 1—Corinthians 5:2; (e) of grief for those in a local church who show no repentance for evil committed, 2—Corinthians 12:21 , RV, "mourn" (AV, "bewail"). See BEWAIL , No. 3.

A — 3: θρηνέω
(Strong's #2354 — Verb — threneo — thray-neh'-o )

"to lament, wail" (akin to threnos, "a lamentation, a dirge"), is used (a) in a general sense, of the disciples during the absence of the Lord, John 16:20 , "lament;" (b) of those who sorrowed for the sufferings and the impending crucifixion of the Lord, Luke 23:27 , "lamented;" the preceding word is kopto (No. 1); (c) of "mourning" as for the dead, Matthew 11:17 , RV, "wailed" (AV, "have mourned"); Luke 7:32 (ditto). See BEWAIL , Note (1).

2—Samuel 19:1Mark 16:10James 4:9Revelation 18:15Matthew 9:23 Jeremiah 9:17
B — 1: ὀδυρμός
(Strong's #3602 — Noun Masculine — odurmos — od-oor-mos' )

"lamentation, mourning," is translated "mourning" in Matthew 2:18; 2—Corinthians 7:7 : see BEWAIL , Note (2).

B — 2: πένθος
(Strong's #3997 — Noun Neuter — penthos — pen'-thos )

akin to A, No. 2, "mourning," is used in James 4:9; Revelation 18:7 (twice), RV, "mourning" (AV, "sorrow"); Revelation 18:8 , "mourning;" Revelation 21:4 , RV, "mourning" (AV, "sorrow"). See SORROW.