cooperate, join forces, get together, work together, join hands, make common cause, liaise, coöperate, co-operate, synergize, more...

oppose, compete, work independently, work solo, work alone

work together, join forces, cooperate, conspire, collude, consort, more...

better, patient, same, social, many, click, anthropologist, necessary, less, professional, public

work with,   to work together,   to work with,   works to,   work alongside,   perform together,   help each other,   work in tandem,   work closely,   work closely with