-cy (singular).; -cies (plural). (Latin: a suffix; a state, condition, office of, or act of).

A suffix that forms nouns.

advocacy (s) (noun), advocacies (pl)
1. An active verbal support for a cause or political position, etc.: At the political convention, there was a lot of advocacy, or backing up, for the experienced and wise candidate for the office of U.S. President.
2. The act of speaking or writing, in support of something, such as an idea, a cause, or a policy, and giving active support: Jane’s advocacy for the local animal rights group helped convince the public to donate more money for saving the lives of stray animals.
bankruptcy (s) (noun), bankruptcies (pl)
1. A person or organization that is legally declared incapable of paying is financially owed to another person or group.
2. A lack of resources; the complete lack of a particular quality; especially, good or ethical qualities; moral bankruptcy.
captaincy (s) (noun), captaincies (pl)
1. The office or rank of a captain.
2. A district or area administered by a captain.
3. The ability of a captain; captainship.
democracy (s) (noun), democracies (pl)
1. A government by the people who vote for citizens either directly by them or by officers elected by them: In modern usage, a democracy is often more of a social state in which everyone has equal rights, without hereditary or arbitrary differences of rank or privilege.
2. The free and equal right of every person to participate in a system of government, often practiced by electing representatives by them: Norman's teacher at school taught the students that democracy was important in their country, and even in their school where all of the students could vote for their own student body president, for example.
3. A country with a government which has been elected freely and equally by all of its citizens: Most of the western countries of the world have decmocracies and the people living there are encouraged to vote for their representatives in the government.
4. The control of an organization by its members who have a free and equal right to participate in decision-making processes: The teacher of Jane's psychology class conducted his classroom like a democracy because his students were free to express their ideas and desires.
fallacy (s) (noun), fallacies (pl)
1. That which is not realistic or has defects or errors in reasoning: There are many popular fallacies about medicine.
2. A statement or an argument that is not in accordance with facts, realities, or actualities: The fallacies presented by the two politicians were exposed by reporters on TV, the radio, and in newspapers.
3. Incorrectness of reasoning or belief; erroneousness: Josh's fallacy was that his company would have a big profit, however it actually resulted in a big financial loss.
residency (s) (noun)m residencies (pl)
1. A period of specialized training in clinical medicine or surgery in a hospital on completion of an internship.
2. Usually a place where people live and have their home.