TN Gen6:6 :ואתפייס עם לבה‏ : he was satisfied in his heart
See the entire entry for pys vb. D to appease, to reconcile

TN Gen6:6 :והוות תהו"תוהו" מן קדם ייי‏ :
See the entire entry for thw n.f. regret, penitence