Cooperation
Collaboration
Synonyms: Collaboration, joint action, teamwork, partnership, coordination, association, unity, concord, understanding, compromise, relations, working together, combined effort, mutual support, coopetition, liaison, synergy, concurrence, accord, give and take, dealings, and coaction.
Assistance
Synonyms: Assistance, help, aid, support, contribution, offices, services, helpfulness, helping hand, abettance, backing, participation, good offices, and ministrations.
Example Sentences
Teamwork requires effective cooperation among members.
Cooperation leads to successful outcomes together.
Their cooperation improved project efficiency significantly.
Cooperation is essential for peace.