For expressing strong opinions or arguments:
* Argue: "They argued about the best way to approach the problem."
* Debate: "The two candidates debated the issue of healthcare."
* Dispute: "They disputed the validity of the evidence."
* Confront: "She confronted him about his lies."
* Harangue: "The politician harangued the crowd about the dangers of socialism."
* Rile: "His words riled the audience."
* Spar: "The two rivals sparred with words."
For expressing persuasion or influence:
* Convince: "He convinced her to go on the trip."
* Persuade: "She persuaded him to change his mind."
* Coax: "She coaxed him into giving her the money."
* Negotiate: "They negotiated a deal that was beneficial to both parties."
* Advocate: "He advocated for policies that would help the poor."
For expressing communication with strong emotions:
* Shout: "She shouted her anger at him."
* Whisper: "He whispered secrets to her."
* Mutter: "He muttered under his breath."
* Rant: "She ranted about the injustice of it all."
* Confide: "She confided in her friend about her problems."
* Confess: "He confessed his love for her."
* Vent: "She vented her frustration to her therapist."
For expressing informal or casual conversation:
* Chat: "They chatted about their day."
* Gossip: "They gossiped about their neighbors."
* Jabber: "The children jabbered excitedly."
* Blab: "He blabbed about his plans."
* Rave: "She raved about the new movie."
For expressing specific types of communication:
* Explain: "She explained the process to him."
* Describe: "He described the scene in detail."
* Narrate: "He narrated the story of his adventures."
* Instruct: "She instructed the students on how to do the experiment."
* Clarify: "He clarified his position on the issue."
* Apologize: "He apologized for his mistake."
For expressing communication with authority:
* Announce: "The company announced its new product."
* Declare: "She declared her independence."
* Proclaim: "He proclaimed his love for her."
* Order: "The general ordered his troops to attack."
Remember to choose the verb that best reflects the tone and context of your writing.