The term 'affirming word' can refer to any word or phrase that conveys agreement, approval, or support. Two examples of such words are 'YES' and 'AMEN'. The word 'YES' is a three-letter word that is used to express agreement or acceptance. It is often used as an affirmative response to a question or statement. The word 'AMEN' is a four-letter word that is used to express agreement or approval. It is often used at the end of a prayer or other religious ceremony. Both words are used to affirm or agree with something that has been said.