Strong's G3824 — παλιγγενεσία (noun)
paliggenesia (pal-ing-ghen-es-ee'-ah) n.
1. (spiritual) rebirth (the state or the act)
2. (figuratively) spiritual renovation
3. (specially) Messianic restoration
[from G3825 and G1078]
KJV: regeneration 
Root(s): G3825, G1078 
Hebrew root: γένεσις
Occurrences: 2