Psalm 51:2

Wash me thoroughly from my iniquity, and from my sin cleanse me.

Psalm 51:7

Purify me with hyssop, and I shall be clean. Wash me, and I shall be whiter than snow.

Isaiah 1:16

Wash! Make yourselves clean! Remove the evil of your doings from before my eyes! Cease to do evil!

Ezekiel 36:25

And I will sprinkle on you pure water, and you will be clean from all of your uncleanness, and I will cleanse you from all of your idols.

Acts 22:16

And now why are you delaying? Get up, be baptized, and wash away your sins, calling on his name!'

Revelation 1:5

and from Jesus Christ the faithful witness, the firstborn from the dead and the ruler of the kings of the earth. To the one who loves us and released us from our sins by his blood

Jeremiah 4:14

Cleanse your heart from wickedness, Jerusalem, so that you may be saved. {How long} will your thoughts of mischief dwell in your inner part?

1 Corinthians 6:11

And some of you were these [things], but you were washed, but you were sanctified, but you were justified in the name of the Lord Jesus and by the Spirit of our God.

Hebrews 10:21-22

and [since we have] a great priest over the house of God,

Revelation 7:14

And I said to him, "My lord, you know." And he said to me, "These are the ones who have come out of the great tribulation, and have washed their robes and made them white in the blood of the Lamb.

Psalm 19:12

Who can perceive [his] errors? Acquit me from hidden [faults].

Zechariah 13:1

" 'On that day a well will be opened for the house of David and for the inhabitants of Jerusalem, {to cleanse them from sin and from impurity}.

Hebrews 9:13-14

For if the blood of goats and bulls and the ashes of a young cow sprinkled on those who are defiled sanctify [them] for the ritual purity of the flesh,

1 John 1:7-9

But if we walk in the light as he is in the light, we have fellowship with one another, and the blood of Jesus his Son cleanses us from all sin.

Treasury of Scripture Knowledge

Summary

Wash me throughly from mine iniquity, and cleanse me from my sin.

Bible References

Cleanse

Psalm 51:7
Purify me with hyssop, and I shall be clean. Wash me, and I shall be whiter than snow.
Psalm 19:12
Who can perceive [his] errors? Acquit me from hidden [faults].

General references

Leviticus 15:5
And anyone who touches his bed must wash his garments and shall wash [himself] with water, and he shall be unclean until evening.
Leviticus 16:30
because on this day he shall make atonement for you to cleanse you; you must be clean from all your sins {before} Yahweh.
Jeremiah 33:8
And I will cleanse them from all their guilt that they sinned against me, and I will forgive all their iniquities that they sinned against me, and that they rebelled against me.