Strong's #1487: ei (pronounced i)
a primary particle of conditionality; if, whether, that, etc.:--forasmuch as, if, that, (al-)though, whether. Often used in connection or composition with other particles, especially as in 1489, 1490, 1499, 1508, 1509, 1512, 1513, 1536, 1537. See also 1437.
Thayer's Greek Lexicon:
̓
ei
1) if, whether
Part of Speech: conjunction
Relation: a primary particle of conditionality
Usage:
This word is used 321 times:
James 2:11: "Do not kill. Now if thou commit no adultery, yet if thou kill,"
James 3:14: "But if ye have bitter envying and strife in"
James 4:11: "and judgeth the law: but if thou judge the law, thou art"
1 Peter 1:6: "Wherein ye greatly rejoice, though now for a season, if need be, ye are in heaviness"
1 Peter 1:17: "And if ye call on the Father, who without respect of persons judgeth according to every man's"
1 Peter 2:19: "For this is thankworthy, if a man for conscience toward God"
1 Peter 2:20: "For what glory is it, if, when ye be buffeted for your faults, ye shall take it patiently?"
1 Peter 2:20: "for your faults, ye shall take it patiently? but if, when ye do well, and suffer for it, ye take it patiently,"
1 Peter 3:14: "But and if ye suffer for righteousness' sake, happy are ye: and"
1 Peter 3:17: "For it is better, if the will of God be so, that ye suffer"
1 Peter 4:14: " If ye be reproached for the name of Christ, happy are ye; for the"
1 Peter 4:16: "Yet if any man suffer as a Christian, let him not be ashamed; but let him glorify"
1 Peter 4:17: "house of God: and if it first begin at us, what"
1 Peter 4:18: "And if the righteous scarcely be saved, where shall the"
2 Peter 2:4: "For if God spared not the angels that sinned, but"
2 Peter 2:20: "For if after they have escaped the pollutions of the world through"
1 John 2:19: "of us: for if they had been of us, they would no doubt have continued"
1 John 3:13: "not, my brethren, if the world hate you."
1 John 4:1: "try the spirits whether they are of God: because"
1 John 4:11: "Beloved, if God so loved us, we ought"
1 John 5:9: " If we receive the witness of men, the witness of God"
