1) to prove, decide, judge, rebuke, reprove, correct, be right

1a) (Hiphil)

1a1) to decide, judge

1a2) to adjudge, appoint

1a3) to show to be right, prove

1a4) to convince, convict

1a5) to reprove, chide

1a6) to correct, rebuke

1b) (Hophal) to be chastened

1c) (Niphal) to reason, reason together

1d) (Hithp) to argue

Root √יכח: יָכַח vb Hiph decide adjudge prove Hiph decide judge , adjudge appoint , shew to be right prove , convince convict , reprove chide , correct rebuke . Hoph he is chastened also with pain . Niph come now and let us reason together there an upright man might reason with him and thou art set right righted justified .;;. Hithp with Israel he will argue .

יָכַח vb Hiph decide adjudge prove Hiph decide judge , adjudge appoint , shew to be right prove , convince convict , reprove chide , correct rebuke . Hoph he is chastened also with pain . Niph come now and let us reason together there an upright man might reason with him and thou art set right righted justified .;;. Hithp with Israel he will argue .