"simplicity"
5 occurrences in KJV
And with Absalom went two hundred men out of Jerusalem, that were called; and they went in their simplicity, and they knew not any thing.
How long, ye simple ones, will ye love simplicity? and the scorners delight in their scorning, and fools hate knowledge?
Or he that exhorteth, on exhortation: he that giveth, let him do it with simplicity; he that ruleth, with diligence; he that sheweth mercy, with cheerfulness.