The term 'SPREAD THE GOSPEL' can be summarized by the word 'PREACH', which has 6 letters. Preaching is a form of communication in which a person speaks publicly about their religious beliefs, usually in a church or other religious setting. It is a way to share the gospel, or good news, of Jesus Christ with others. Preaching is an important part of Christian ministry and is often used to encourage people to live according to the teachings of the Bible.