| mixture(noun, agreement, combination, accord, compound) |
| referral |
| seam(noun, agreement, combination, accord, compound) |
| symbiosis(noun, agreement, combination, accord, compound) |
| synthesis(noun, agreement, combination, accord, compound) |
| tie-in(noun, agreement, combination, accord, compound) |
| tie-up(noun, agreement, combination, accord, compound) |
| unanimity(noun, agreement, combination, accord, compound) |
| unification(noun, agreement, combination, accord, compound) |
| union(noun, combination, meeting, amalgamation, merger) |
| unison(noun, agreement, combination, accord, compound) |
| uniting(noun, agreement, combination, union, accord) |
| unity(noun, agreement, combination, accord, compound) |
| work together(verb, expression, phrasal verb, participate, cooperate) |
| accumulation(association, gathering, meeting) |
| adjoining(reaching, confluent, coalescent) |
| affiliation(coupling, liquification, liquefaction) |
| affinity(combination, union, amalgamation) |
| aggregation(association, gathering, meeting) |
| agree(verb, bind) |