disharmorny
The 'odd one out' of the four words in the question is... disharmony.
A formal agreement between two countries is called a treaty or a pact.
Accord and agreement are synonyms. An international accord is an agreement in which the parties come from more than one country, often from many. NAFTA is one example of an international accord, It stands for North American Free Trade Agreement. This international accord is between the governments of Canada, Mexico and the US for the mutual benefit of all three nations. The Maastricht Treaty, signed in 1992, was the treaty that created the European Union and established the Euro as a transnational European currency.
The word treaty could be considered an abstract noun, as it is a synonym of the noun agreement (accord). However, the written form of the treaty would have to be a concrete noun.
An executive agreement does not require Senate approval.
An executive agreement does not require Senate approval.
Its called a treaty
Its called a treaty
contract - a written agreement alliance - a joint agreement acceding - agreeing approval - giving assent
a treaty is an agreement between two or more nations.
A peace agreement/treaty, a truce, a cease-fire agreement/treaty, ...