The term "chop head" is a slang word that refers to the act of beheading someone. It's a term that is quite gruesome and is typically used to describe violent acts. To avoid using such graphic language, you can use a variety of synonyms instead. Some examples of synonyms for "chop head" include decapitate, behead, sever, amputate, dismember, detach, or cut off. These terms still convey the act of severing the head from the body, but they do so in a more neutral and less graphic way. Using synonyms is a great way to elevate your writing and avoid inappropriate language.