1: ὄψις
(Strong's #3799 — Noun Feminine — opsis — op'-sis )

only Revelation 1:16 has "countenance." See APPEARANCE.

2: πρόσωπον
(Strong's #4383 — Noun Neuter — prosopon — pros'-o-pon )

is translated "countenance" in Luke 9:29; Acts 2:28 , and in the AV of 2—Corinthians 3:7 (RV, "face"). See APPEARANCE.

3: ἰδέα
(Strong's #2397 — Noun Feminine — eidea — id-eh'-ah )

akin to eidon, "to see:" see APPEARANCE.

Acts 13:24Matthew 6:16Luke 24:17Mark 10:22Matthew 16:3LOWRING.