This should be an exhaustive list for the words baptism, baptized, baptize, baptizes, or baptizing.  It’s 73 verses, all in the New Testament, and washing references follow at the bottom, though that list may not be exhaustive.

This list is in support of the article Regarding Baptism

Matthew 3:6

and they were baptized by him in the river Jordan, confessing their sins.

Matthew 3:7

But when he saw many of the Pharisees and Sadducees coming for baptism, he said to them, You brood of vipers! Who warned you to flee from the wrath to come?

Matthew 3:11

I baptize you with water for repentance, but he who is coming after me is mightier than I, whose sandals I am not worthy to carry. He will baptize you with the Holy Spirit and with fire.

Matthew 3:13

Then Jesus came from Galilee to the Jordan to John, to be baptized by him.

Matthew 3:14

John would have prevented him, saying, I need to be baptized by you, and do you come to me?

Matthew 3:16

And when Jesus was baptized, immediately he went up from the water, and behold, the heavens were opened to him, and he saw the Spirit of God descending like a dove and coming to rest on him;

Matthew 21:25

The baptism of John, from where did it come? From heaven or from man? And they discussed it among themselves, saying, If we say, From heaven, he will say to us, Why then did you not believe him?

Matthew 28:19

Go therefore and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit,

Mark 1:4

John appeared, baptizing in the wilderness and proclaiming a baptism of repentance for the forgiveness of sins.

Mark 1:5

And all the country of Judea and all Jerusalem were going out to him and were being baptized by him in the river Jordan, confessing their sins.

Mark 1:8

I have baptized you with water, but he will baptize you with the Holy Spirit.

Mark 1:9

In those days Jesus came from Nazareth of Galilee and was baptized by John in the Jordan.

Mark 10:38

Jesus said to them, You do not know what you are asking. Are you able to drink the cup that I drink, or to be baptized with the baptism with which I am baptized?

Mark 10:39

And they said to him, We are able. And Jesus said to them, The cup that I drink you will drink, and with the baptism with which I am baptized, you will be baptized,

Mark 11:30

Was the baptism of John from heaven or from man? Answer me.

Mark 16:16

Whoever believes and is baptized will be saved, but whoever does not believe will be condemned.

Luke 3:3

And he went into all the region around the Jordan, proclaiming a baptism of repentance for the forgiveness of sins.

Luke 3:7

He said therefore to the crowds that came out to be baptized by him, You brood of vipers! Who warned you to flee from the wrath to come?

Luke 3:12

Tax collectors also came to be baptized and said to him, Teacher, what shall we do?

Luke 3:16

John answered them all, saying, I baptize you with water, but he who is mightier than I is coming, the strap of whose sandals I am not worthy to untie. He will baptize you with the Holy Spirit and with fire.

Luke 3:21

Now when all the people were baptized, and when Jesus also had been baptized and was praying, the heavens were opened,

Luke 7:29

(When all the people heard this, and the tax collectors too, they declared God just, having been baptized with the baptism of John,

Luke 7:30

but the Pharisees and the lawyers rejected the purpose of God for themselves, not having been baptized by him.)

Luke 12:50

I have a baptism to be baptized with, and how great is my distress until it is accomplished!

Luke 20:4

Was the baptism of John from heaven or from man?

John 1:25

They asked him, Then why are you baptizing, if you are neither the Christ, nor Elijah, nor the Prophet?

John 1:26

John answered them, I baptize with water, but among you stands one you do not know,

John 1:28

These things took place in Bethany across the Jordan, where John was baptizing.

John 1:31

I myself did not know him, but for this purpose I came baptizing with water, that he might be revealed to Israel.

John 1:33

I myself did not know him, but he who sent me to baptize with water said to me, He on whom you see the Spirit descend and remain, this is he who baptizes with the Holy Spirit.

John 3:22

After this Jesus and his disciples went into the Judean countryside, and he remained there with them and was baptizing.

John 3:23

John also was baptizing at Aenon near Salim, because water was plentiful there, and people were coming and being baptized

John 3:25

Now a discussion arose between some of John’s disciples and a Jew over purification.

John 3:26

And they came to John and said to him, Rabbi, he who was with you across the Jordan, to whom you bore witness—look, he is baptizing, and all are going to him.

John 4:1

Now when Jesus learned that the Pharisees had heard that Jesus was making and baptizing more disciples than John

John 4:2

(although Jesus himself did not baptize, but only his disciples),

John 10:40

He went away again across the Jordan to the place where John had been baptizing at first, and there he remained.

Acts 1:5

for John baptized with water, but you will be baptized with the Holy Spirit not many days from now.

Acts 1:22

beginning from the baptism of John until the day when he was taken up from us—one of these men must become with us a witness to his resurrection.

Acts 2:38

And Peter said to them, Repent and be baptized every one of you in the name of Jesus Christ for the forgiveness of your sins, and you will receive the gift of the Holy Spirit.

Acts 2:41

So those who received his word were baptized, and there were added that day about three thousand souls.

Acts 8:12

But when they believed Philip as he preached good news about the kingdom of God and the name of Jesus Christ, they were baptized, both men and women.

Acts 8:13

Even Simon himself believed, and after being baptized he continued with Philip. And seeing signs and great miracles performed, he was amazed.

Acts 8:16

for he had not yet fallen on any of them, but they had only been baptized in the name of the Lord Jesus.

Acts 8:36

And as they were going along the road they came to some water, and the eunuch said, See, here is water! What prevents me from being baptized?

Acts 8:38

And he commanded the chariot to stop, and they both went down into the water, Philip and the eunuch, and he baptized him.

Acts 9:18

And immediately something like scales fell from his eyes, and he regained his sight. Then he rose and was baptized;

Acts 10:37

you yourselves know what happened throughout all Judea, beginning from Galilee after the baptism that John proclaimed:

Acts 10:47

Can anyone withhold water for baptizing these people, who have received the Holy Spirit just as we have?

Acts 10:48

And he commanded them to be baptized in the name of Jesus Christ. Then they asked him to remain for some days.

Acts 11:16

And I remembered the word of the Lord, how he said, John baptized with water, but you will be baptized with the Holy Spirit.

Acts 13:24

Before his coming, John had proclaimed a baptism of repentance to all the people of Israel.

Acts 16:15

And after she was baptized, and her household as well, she urged us, saying, If you have judged me to be faithful to the Lord, come to my house and stay. And she prevailed upon us.

Acts 16:33

And he took them the same hour of the night and washed their wounds; and he was baptized at once, he and all his family.

Acts 18:8

Crispus, the ruler of the synagogue, believed in the Lord, together with his entire household. And many of the Corinthians hearing Paul believed and were baptized.

Acts 18:25:

He had been instructed in the way of the Lord. And being fervent in spirit, he spoke and taught accurately the things concerning Jesus, though he knew only the baptism of John.

Acts 19:3

And he said, Into what then were you baptized? They said, Into John’s baptism.

Acts 19:4

And Paul said, John baptized with the baptism of repentance, telling the people to believe in the one who was to come after him, that is, Jesus.

Acts 19:5

On hearing this, they were baptized in the name of the Lord Jesus.

Acts 22:16

And now why do you wait? Rise and be baptized and wash away your sins, calling on his name.

Romans 6:3

Do you not know that all of us who have been baptized into Christ Jesus were baptized into his death?

Romans 6:4

We were buried therefore with him by baptism into death, in order that, just as Christ was raised from the dead by the glory of the Father, we too might walk in newness of life.

I Corinthians 1:13

Is Christ divided? Was Paul crucified for you? Or were you baptized in the name of Paul?

I Corinthians 1:14

I thank God that I baptized none of you except Crispus and Gaius,

I Corinthians 1:15

so that no one may say that you were baptized in my name.

I Corinthians 1:16

(I did baptize also the household of Stephanas. Beyond that, I do not know whether I baptized anyone else.)

I Corinthians 1:17

For Christ did not send me to baptize but to preach the gospel, and not with words of eloquent wisdom, lest the cross of Christ be emptied of its power.

I Corinthians 10:2

and all were baptized into Moses in the cloud and in the sea,

I Corinthians 12:13

For in one Spirit we were all baptized into one body—Jews or Greeks, slaves or free—and all were made to drink of one Spirit.

I Corinthians 15:29

Otherwise, what do people mean by being baptized on behalf of the dead? If the dead are not raised at all, why are people baptized on their behalf?

Galatians 3:27

For as many of you as were baptized into Christ have put on Christ.

Ephesians 4:5

one Lord, one faith, one baptism,

Colossians 2:12

having been buried with him in baptism, in which you were also raised with him through faith in the powerful working of God, who raised him from the dead.

I Peter 3:21

Baptism, which corresponds to this, now saves you, not as a removal of dirt from the body but as an appeal to God for a good conscience, through the resurrection of Jesus Christ,

ALSO:

2K 5:10 speaks of Naaman the Syrian, told to “wash” in the Jordan 7 times

Is the “washing of regeneration” referring to baptism in Titus 3:5?

“he saved us, not because of works done by us in righteousness, but according to his own mercy, by the washing of regeneration and renewal of the Holy Spirit,”

Ephesians 5:26

that he might sanctify her, having cleansed her by the washing of water with the word,

Hebrews 6:1-2

1 Therefore let us leave the elementary doctrine of Christ and go on to maturity, not laying again a foundation of repentance from dead works and of faith toward God,

2 and of instruction about WASHINGS, the laying on of hands, the resurrection of the dead, and eternal judgment.

2 Peter 2:22

What the true proverb says has happened to them: “The dog returns to its own vomit, and the sow, after washing herself, returns to wallow in the mire.”