Heuristics, schemas, and stereotypes are all mental shortcuts that people use to make quick judgments about others.

In-group bias, out-group bias, and ethnocentrism are all terms for the tendency to favor one's own group over other groups.

Socialization, enculturation, and stereotyping are all terms for the process by which people learn to associate certain characteristics with certain groups of people.

Ethnocentrism, xenophobia, and racism are all terms for the belief that one's own group is superior to other groups.

Racism is the discrimination against people based on their race or ethnicity.

Religious discrimination is the discrimination against people based on their religion.

Homophobia, biphobia, and transphobia are all terms for the discrimination against people based on their sexual orientation.

Sexism, misogyny, and patriarchy are all terms for the discrimination against people based on their gender.

Ageism, elder abuse, and youth discrimination are all terms for the discrimination against people based on their age.

Ableism, disablism, and handicapism are all terms for the discrimination against people based on their disability.

Classism, socioeconomic discrimination, and poverty discrimination are all terms for the discrimination against people based on their social class.

Weight discrimination, fatphobia, and obesity discrimination are all terms for the discrimination against people based on their weight.

Lookism, appearance discrimination, and beauty discrimination are all terms for the discrimination against people based on their appearance.

Intelligencism, IQ discrimination, and cognitive discrimination are all terms for the discrimination against people based on their intelligence.

Mental health discrimination, psychiatric discrimination, and madness stigma are all terms for the discrimination against people based on their mental health status.