Heterosexism is a term used to describe discrimination and prejudice against individuals who do not identify as heterosexual. However, there are other synonyms that can be used to refer to the same type of discrimination, such as homophobia, biphobia, or transphobia. Homophobia refers to a fear or hatred of homosexuality, while biphobia refers to discrimination against people who are attracted to more than one gender. Transphobia is another synonym that refers to the prejudice and discrimination against transgender individuals. All these terms are used to describe the same type of discrimination, and it is important to understand and recognize the negative impact they have on individuals and society as a whole.