Romans 10:8

But what does it say? “The word is near you, in your mouth and in your heart”—that is, the word of faith which we are preaching,

Deuteronomy 30:14

But the word is very near you, in your mouth and in your heart, that you may observe it.

Romans 1:16-17

For I am not ashamed of the gospel, for it is the power of God for salvation to everyone who believes, to the Jew first and also to the Greek.

1 Timothy 4:6

In pointing out these things to the brethren, you will be a good servant of Christ Jesus, constantly nourished on the words of the faith and of the sound doctrine which you have been following.

Isaiah 57:19

Creating the praise of the lips.
Peace, peace to him who is far and to him who is near,”
Says the Lord, “and I will heal him.”

Mark 16:15-16

And He said to them, Go into all the world and preach the gospel to all creation.

Acts 10:43

Of Him all the prophets bear witness that through His name everyone who believes in Him receives forgiveness of sins.”

Acts 13:38-39

Therefore let it be known to you, brethren, that through Him forgiveness of sins is proclaimed to you,

Acts 16:31

They said, “Believe in the Lord Jesus, and you will be saved, you and your household.”

Romans 10:17

So faith comes from hearing, and hearing by the word of Christ.

Galatians 3:2

This is the only thing I want to find out from you: did you receive the Spirit by the works of the Law, or by hearing with faith?

1 Peter 1:23

for you have been born again not of seed which is perishable but imperishable, that is, through the living and enduring word of God.

1 Peter 1:25

But the word of the Lord endures forever.”
And this is the word which was preached to you.

Galatians 3:5

So then, does He who provides you with the Spirit and works miracles among you, do it by the works of the Law, or by hearing with faith?

Treasury of Scripture Knowledge

Summary

But what saith it? The word is nigh thee, even in thy mouth, and in thy heart: that is, the word of faith, which we preach;

Bible References

The word of faith

Romans 10:17
So faith comes from hearing, and hearing by the word of Christ.
Romans 1:16
For I am not ashamed of the gospel, for it is the power of God for salvation to everyone who believes, to the Jew first and also to the Greek.
Isaiah 57:19
Creating the praise of the lips.
Peace, peace to him who is far and to him who is near,”
Says the Lord, “and I will heal him.”
Mark 16:15
And He said to them, Go into all the world and preach the gospel to all creation.
Acts 10:43
Of Him all the prophets bear witness that through His name everyone who believes in Him receives forgiveness of sins.”
Acts 13:38
Therefore let it be known to you, brethren, that through Him forgiveness of sins is proclaimed to you,
Acts 16:31
They said, “Believe in the Lord Jesus, and you will be saved, you and your household.”
Galatians 3:2
This is the only thing I want to find out from you: did you receive the Spirit by the works of the Law, or by hearing with faith?
1 Timothy 4:6
In pointing out these things to the brethren, you will be a good servant of Christ Jesus, constantly nourished on the words of the faith and of the sound doctrine which you have been following.
1 Peter 1:23
for you have been born again not of seed which is perishable but imperishable, that is, through the living and enduring word of God.