Verses with the word speech in the New Testament (15 verses):

Matthew 26:73
And after a while came unto him they that stood by, and said to Peter, Surely thou also art one of them; for thy speech bewrayeth thee.

Mark 7:32
And they bring unto him one that was deaf, and had an impediment in his speech; and they beseech him to put his hand upon him.

Mark 14:70
And he denied it again. And a little after, they that stood by said again to Peter, Surely thou art one of them: for thou art a Galilaean, and thy speech agreeth thereto.

John 8:43
Why do ye not understand my speech? even because ye cannot hear my word.

Acts 14:11
And when the people saw what Paul had done, they lifted up their voices, saying in the speech of Lycaonia, The gods are come down to us in the likeness of men.

Acts 20:7
And upon the first day of the week, when the disciples came together to break bread, Paul preached unto them, ready to depart on the morrow; and continued his speech until midnight.

1 Corinthians 2:1
And I, brethren, when I came to you, came not with excellency of speech or of wisdom, declaring unto you the testimony of God.

1 Corinthians 2:4
And my speech and my preaching was not with enticing words of man's wisdom, but in demonstration of the Spirit and of power:

1 Corinthians 4:19
But I will come to you shortly, if the Lord will, and will know, not the speech of them which are puffed up, but the power.

2 Corinthians 3:12
Seeing then that we have such hope, we use great plainness of speech:

2 Corinthians 7:4
Great is my boldness of speech toward you, great is my glorying of you: I am filled with comfort, I am exceeding joyful in all our tribulation.

2 Corinthians 10:10
For his letters, say they, are weighty and powerful; but his bodily presence is weak, and his speech contemptible.

2 Corinthians 11:6
But though I be rude in speech, yet not in knowledge; but we have been throughly made manifest among you in all things.

Colossians 4:6
Let your speech be alway with grace, seasoned with salt, that ye may know how ye ought to answer every man.

Titus 2:8
Sound speech, that cannot be condemned; that he that is of the contrary part may be ashamed, having no evil thing to say of you.