3 occurrences across the corpus

King James Version

Proverbs 15:4

A wholesome tongue is a tree of life: but perverseness therein is a breach in the spirit.

1 Timothy 6:3

If any man teach otherwise, and consent not to wholesome words, even the words of our Lord Jesus Christ, and to the doctrine which is according to godliness;

1 Enoch

1 Enoch 82:3

Wisdom have I given to thee, to thy children, and thy posterity, that they may transmit to their children, for generations for ever, this wisdom in their thoughts; and that those who comprehend _it_ may not slumber, but hear with their ears; that they may learn this wisdom, and be deemed worthy of eating _this_ wholesome food.