Strong’s Greek
G4752 — strateia
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
στρατεία
strateia — pronounced strat-i'-ah
from 4754; military service, i.e. (figuratively) the apostolic career (as one of hardship and danger):--warfare. see GREEK for 4754
2 occurrences in the KJV.
2 Corinthians 10:4
(For the weapons of our warfare are not carnal, but mighty through God to the pulling down of strong holds;)
1 Timothy 1:18
This charge I commit unto thee, son Timothy, according to the prophecies which went before on thee, that thou by them mightest war a good warfare;