Strong's G602 — ἀποκάλυψις (noun)
apokalupsis (ap-ok-al'-oop-sis) n.
1. disclosure
[from G601]
KJV: appearing, coming, lighten, manifestation, be revealed, revelation 
Root(s): G601 
Hebrew root: ἀποκαλύπτω
Occurrences: 18