H5528–סָכַל–sa.khal

You did not even let me give a kiss to my sons and my daughters. This was a foolish thing to do.

הִסְכַּ֥לְתָּֽ his.Kal.ta “you have behaved foolishly”

And Samuel said to Saul, You have done a foolish thing: you have not kept the rules which the Lord your God gave you; it was the purpose of the Lord to make your authority over Israel safe for ever.

נִסְכָּ֑לְתָּ nis.Kal.ta “you have acted foolishly”

Then Saul said, I have done wrong: come back to me, David my son: I will do you no more wrong, because my life was dear to you today truly, I have been foolish and my error is very great.

הִסְכַּ֛לְתִּי his.Kal.ti “I have behaved foolishly”

And word came to David, saying, Ahithophel is among those who are joined to Absalom. And David said, O Lord, let the wisdom of Ahithophel be made foolish.

סַכֶּל־ sa.kel- “make foolish”

And after the people had been numbered, David's heart was troubled. And David said to the Lord, Great has been my sin in doing this; but now, O Lord, be pleased to take away the sin of your servant, for I have done very foolishly

נִסְכַּ֖לְתִּי nis.Kal.ti “I have acted foolishly”

Then David said to God, Great has been my sin in doing this; but now, be pleased to take away the sin of your servant, for I have done very foolishly.

נִסְכַּ֖לְתִּי nis.Kal.ti “I have acted foolishly”

For the eyes of the Lord go this way and that, through all the earth, letting it be seen that he is the strong support of those whose hearts are true to him. In this you have done foolishly, for from now you will have wars.

נִסְכַּ֣לְתָּ nis.Kal.ta “you have acted foolishly”

Who makes the signs of those who give word of the future come to nothing, so that those who have knowledge of secret arts go off their heads; turning the wise men back, and making their knowledge foolish:

יְשַׂכֵּֽל׃ ye.sa.Kel “he makes foolish”