Synonym: combine/join

the study and tracing of lines of descent/ancestry via DNA

Antonym: loosely

the quality of being fair and impartial.

suggested but not communicated directly

one word for racial discrimination

Support or prejudice for or against one person or group, especially in a way considered to be unfair.

Synonym: variety

the state of being equal, especially in status, rights, or opportunities.

the fact of having and expressing strong,  Unreasonable beliefs and disliking other people  who have different beliefs or a different way of life