Pharr Lesson 28 Vocab-173 Related Words (wit, wise wizard)

On p 132 of Pharr-4th, in 173-Vocabulary of Lesson 28, Related Words include wit, wise, wizard. None of the Greek words themselves seem to echo the phonology of wit, wise, wizard, but the definition of (ἐὺ)φρονέω (be wise) comes closest.

Any clues?