Anup has the right idea for tirade, but not abuse. Abuse is nasty. It might include swearwords, racist or sexist comments, or question the parentage ( married status, or species!) of someone. If a parliamentarian was abusive, they would get removed from the chamber very quickly. "The driver of the car that he crashed into launched into a furious tirade of abuse. He was worried for his life"

"A tirade is a long angry speech in which someone criticizes a person or thing." She launched into a tirade against the policies that ruined her business. In a furious tirade of abuse, the opposition spokesperson demanded the minister's resignation.