Ban Abusive or Bad Words

If you could permanently ban a word from general usage, which one would it be? Why?

If I could permanently ban a word from general usage which are abusive words or languages. Now, most people used abusive words to insult another person. These abusive words are main responsible for murders, riots, and many more that increases crimes in big cities.

When two persons quarelling or fighting then they use abusive words and results to murder. Abusive words are mainly used to insult person in front of society and responsible for riots, murder, revenge, and many more crimes. If we ban abusive or bad words then it may lower the unwanted murders, riots, and many more crimes.

Thus, I could permanently ban Abusive words in the society to prevent any riots, unwanted murders, and many more crimes.