Verses with the word communication in the New Testament (4 verses):

Matthew 5:37
But let your communication be, Yea, yea; Nay, nay: for whatsoever is more than these cometh of evil.

Ephesians 4:29
Let no corrupt communication proceed out of your mouth, but that which is good to the use of edifying, that it may minister grace unto the hearers.

Colossians 3:8
But now ye also put off all these; anger, wrath, malice, blasphemy, filthy communication out of your mouth.

Philemon 1:6
That the communication of thy faith may become effectual by the acknowledging of every good thing which is in you in Christ Jesus.