1Peter 3:20 Which sometime were disobedient, when once the longsuffering of God waited in the days of Noah, while the ark was a preparing[2680.kataskeuazo Greek Strongs], wherein few, that is, eight souls were saved by water[5204 hudor Greek Strongs]

The Greek word translated as "preparing" is kataskeuazo. The word kataskeuazo is a derived from the Greek words kata and skeuos. The word kata means to intensify the effect here it is the preparation of the marriage of the true believers to Christ. The word skeuos means the making ready specifically of a wife for a husband. The testing of the Final Tribulation (Spiritual Flood) for the true believers is too more excellently prepare them for their marriage with Christ

Revelation 19:7 Let us be glad and rejoice, and give honour to him: for the marriage of the Lamb is come, and his wife hath made herself ready.

The Greek word translated water is "hudor" can be translated as rain. The true believers are saved by the latter rain during

the time of a Spiritual Flood (Final Tribulation Period) this is just the opposite of those that remain in the physical organized

churches and the rest of the unsaved world where the water (Flood) is for their destruction, see 2Peter 2:17.

2Peter 2:17 These are wells without water, clouds that are carried with a tempest; to whom the mist of darkness is reserved for ever.