共

public; community; public service; society; communal

both; neither (neg); all; and; as well as; including; with; together with; plural ending

sharing with; participate in

dual income

cooperation; association; collaboration; joint

republicanism; cooperation

coexistence

coeducation

sympathy; response

communism

working together; (husband and wife) earning a living together

commonness; community

resonance; sympathy

or; or else