Strong’s Greek
G4035 — perileipo
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
περιλείπομαι
perileipo — pronounced per-ee-li'-po
from 4012 and 3007; to leave all around, i.e. (passively) survive:--remain. see GREEK for 4012 see GREEK for 3007
2 occurrences in the KJV.
1 Thessalonians 4:15
For this we say unto you by the word of the Lord, that we which are alive and remain unto the coming of the Lord shall not prevent them which are asleep.
1 Thessalonians 4:17
Then we which are alive and remain shall be caught up together with them in the clouds, to meet the Lord in the air: and so shall we ever be with the Lord.