The term speech can be used in various contexts that refer to an act of speaking. However, there are numerous synonyms for the term speech that you can use to express yourself more effectively in written and spoken communication. Some of these synonyms include address, discourse, lecture, oration, sermon, talk, and verbal communication. Each of these words has a slight variation in meaning, and they can be appropriate in different contexts. For example, oration may be used when referring to a formal speech given on a specific occasion, while discourse can be used more broadly for any conversation or discussion. Using synonyms helps in diversifying your language and preventing redundancy in communication.