agree
Discordance means lack of agreement.
"Bilateral" is the word that means an agreement or involving two parties or sides.
Amen
"Bilateral" means an agreement from both sides.
Bilateral
"Covenant" means an agreement, or a contract.
It means agreement or concurrence.
The root word of concordat is "concord," which means agreement or harmony.
consensus
It means like a agreement to something.
entente
Yes, it's a British slang word that means "cool" or "in agreement."