The word "brethren" is in the King James Version of The Bible 564 times. It is in 542 verses. Please see the related link below.
564
In the King James version the word - brethren - appears 563 times the word - brethren's - appears once
The phrase does not appear in the bible.
426 times word without appear in the Bible
About 389 times
Sanctify, sanctifying, and sanctified appear in the bible 15 times.
The word "soteria" does not appear anywhere in the KJV bible.
The word "catholic" does not appear anywhere in the bible.
Seven times in the KJV Bible
84 times
18 times
22 times