Front

A person who helps carry out a crime

Back

Accomplice

Front

Vocal or instrumental support for another musical part

Back

accompany

Front

public; shared by a group

Back

communal

Front

Something that perfects or completes something else.

Back

Complement

Front

Gathering or coming together

Back

congregate

Front

A large crowd gathered densely together.

Back

throng

Front

Adopt traditions of a larger group

Back

assimilate

Front

General agreement among a group of people

Back

consensus

Front

Made up of various unrelated items; hard to categorize

Back

miscellaneous

Front

Join or associate with a larger group

Back

affiliate