1: ἀποκεφαλίζω
(Strong's #607 — Verb — apokephalizo — ap-ok-ef-al-id'-zo )

apo, "from, off," kephale, "a head," is found in Matthew 14:10; Mark 6:16,27; Luke 9:9 .

2: πελεκίζω
(Strong's #3990 — Verb — pelekizo — pel-ek-id'-zo )

denotes "to cut with an axe" (from pelekus, "an axe"), Revelation 20:4 .