G5351–φθείρω–phtheirō

If any man destroyeth the temple of God, him shall God destroy; for the temple of God is holy, and such are ye.

φθείρει, phtheirei “destroys,”φθερεῖ phtherei “will destroy”

Be not deceived: Evil companionships corrupt good morals.

φθείρουσιν phtheirousin “Do corrupt”

Open your hearts to us: we wronged no man, we corrupted no man, we took advantage of no man.

ἐφθείραμεν, ephtheiramen “we have corrupted,”

But I fear, lest by any means, as the serpent beguiled Eve in his craftiness, your minds should be corrupted from the simplicity and the purity that is toward Christ.

φθαρῇ phtharēa “may be corrupted”

that ye put away, as concerning your former manner of life, the old man, that waxeth corrupt after the lusts of deceit;

φθειρόμενον phtheiromenon “is being corrupted”

But these, as creatures without reason, born mere animals to be taken and destroyed, railing in matters whereof they are ignorant, shall in their destroying surely be destroyed,

φθαρήσονται phtharēsontai “will be destroyed”

But these rail at whatsoever things they know not: and what they understand naturally, like the creatures without reason, in these things are they destroyed.

φθείρονται. phtheirontai “they corrupt themselves.”

for true and righteous are his judgments; for he hath judged the great harlot, her that corrupted the earth with her fornication, and he hath avenged the blood of his servants at her hand.

ἔφθειρεν ephtheiren “was corrupting”