Job 15:14יִזְכֶּה
What is man, that he should be pure, or one born of woman, that he should be righteous?
Psalm 73:13זִכִּיתִי
Surely in vain I have kept my heart pure; in innocence I have washed my hands.
Proverbs 20:9זִכִּיתִי
Who can say, “I have kept my heart pure; I am cleansed from my sin”?
Isaiah 1:16הִזַּכּוּ
Wash and cleanse yourselves. Remove your evil deeds from My sight. Stop doing evil!
Micah 6:11הַאֶזְכֶּה
Can I excuse dishonest scales or bags of false weights?

Brown-Driver-Briggs

[זָכָה] vb. be clear, clean, pure, alw. in a moral sense

Qal

1. be clean, pure

2. be clear, be justified = be regarded as just, righteous, of God

Pi. make or keep clean, pure

Hithp. make yourselves clean

Sources: Brown-Driver-Briggs (1906, public domain) from the Open Scriptures Hebrew Lexicon (CC BY 4.0), glosses from STEPBible TBESH (CC BY 4.0); STEPBible TAHOT (Hebrew Bible, Leningrad Codex, CC BY 4.0); the Berean Standard Bible (public domain). Reformatted by Word Study, wording unchanged. All sources and licenses.