A — 1: σποδός
(Strong's #4700 — Noun Masculine — spodos — spod-os' )

"ashes," is found three times, twice in association with sackcloth, Matthew 11:21; Luke 10:13 , as tokens of grief (cp. Esther 4:1,3; Isaiah 58:5; 61:3; Jeremiah 6:26; Jonah 3:6 ); of the ashes resulting from animal sacrifices, Hebrews 9:13; in the OT, metaphorically, of one who describes himself as dust and "ashes," Genesis 18:27 , etc.

B — 1: τεφρόω
(Strong's #5077 — Verb — tephroo — tef-ro'-o )

"to turn to ashes," is found in 2—Peter 2:6 , with reference to the destruction of Sodom and Gomorrah.

Psalm 20:3Exodus 27:3Numbers 4:13