Power Suffixes: -acy

Derived from Latin, the English suffix -acy in English means "the state of" or "the quality or condition of."
18 words 14,720 learners

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Full list of words from this list:

  1. adequacy
    the quality of being able to meet a need satisfactorily
    It plumbed each country with 140 questions about readiness in the fields of disease prevention, detection and reporting, rapid response, adequacy of existing health systems, meeting international standards and the overall risk situation.Washington Post (Oct 28, 2019)
  2. confederacy
    a union of political organizations
    In response, the Cherokee chiefdoms gradually found themselves compelled to join into a single confederacy in the course of the 18th century.Guns, Germs, and Steel: The Fates of Human Societies
  3. conspiracy
    a group banded together to achieve some harmful purpose
    He pauses and glances at me like somehow we’re part of some awesome conspiracy.The Benefits of Being an Octopus
  4. delicacy
    the quality of being exquisitely fine in appearance
    He was an expert silversmith, praised all over the swampland for the delicacy of his work.One Hundred Years of Solitude
  5. diplomacy
    negotiation between nations
    Because of the tumultuous political environment of the time, al-BIruni developed a skill at diplomacy that almost matched his scientific talents.Circumference
  6. efficacy
    capacity or power to produce a desired result
    Researchers should collect evidence on the efficacy of mask use against air pollution.Nature (Sep 30, 2019)
  7. fallacy
    a misconception resulting from incorrect reasoning
    Exxon also misled us through arguments that appear convincing but contain logical fallacies.The Guardian (Oct 23, 2019)
  8. inaccuracy
    the quality of having errors
    For now, I shall confine myself to correcting a few of the more glaring inaccuracies in recent press reports.Fantastic Beasts and Where to Find Them
  9. intimacy
    a feeling of being close and belonging together
    She spoke carefully, with an intimacy that hinted she knew Albert well.The Marvels
  10. intricacy
    the quality of having elaborately complex detail
    The delicate labour of the coral gardener is only one part of restoring a reef and for all its intricacy it is actually the most straightforward part.The Guardian (Nov 4, 2019)
  11. legitimacy
    lawfulness by virtue of being authorized
    He stated the matter simply: if I recognized the legitimacy of the Transkei government and was willing to move there, my sentence would be dramatically reduced. proposal, and again I turned him down.Long Walk to Freedom
  12. literacy
    the ability to read and write
    That the Ptolemies maintained a public library suggests that literacy was relatively widespread in the capital, at least among the Greeks.Circumference
  13. lunacy
    foolish or senseless behavior
    This was complete lunacy as far as he was concerned, and there was no way to deal with it rationally.The Kill Order (Maze Runner, Book Four; Origin)
  14. obstinacy
    resolute adherence to your own ideas or desires
    Many Argentines dislike the idea of rewarding the holdouts for their obstinacy.Economist (Feb 4, 2016)
  15. primacy
    the state of being first in importance
    All senators swear an oath to defend the Constitution, which wins primacy over party and personal considerations.Washington Post (Oct 31, 2019)
  16. privacy
    the quality of being secluded from the presence of others
    Under normal circumstances she left the kids alone, feeling that teens needed their space, that they were entitled to some degree of privacy.Little Fires Everywhere
  17. profligacy
    the trait of spending extravagantly
    “A similar question was posed 20 years ago when Baby Boomer profligacy was being compared to the Silent Generation’s penchant for saving,” they wrote.Los Angeles Times (Nov 29, 2018)
  18. supremacy
    power to dominate or defeat
    The two squadrons were locked in an intense competition to win the trophy signifying supremacy among the other squadrons at Ravenel Air Base.The Great Santini
Created on November 22, 2019 (updated November 22, 2019)

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