Concurrence is a term that refers to the state of AGREEMENT between two or more parties. It can be achieved through HARMONY, COINCIDENCE, COOPERATION, CONCORDANCE, CONSENT, CONSENSUS, YES, ACCORD, ASSENT, UNISON, SYNDROME, and AGREEMENT. HARMONY is a state of peace and AGREEMENT between two or more people, while COINCIDENCE is an unlikely occurrence of two or more events at the same time. COOPERATION is the act of working together to achieve a common goal, while CONCORDANCE is the state of being in AGREEMENT. CONSENT is permission for something to happen, while CONSENSUS is a general AGREEMENT among a group of people. YES is an affirmative answer, while ACCORD is an AGREEMENT or settlement. ASSENT is AGREEMENT or approval, while UNISON is a state of AGREEMENT or HARMONY. SYNDROME is a set of symptoms that occur together, while AGREEMENT is a formal arrangement between two or more parties.