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-ancy

American  

  1. a combination of -ance and -y, used to form nouns denoting state or quality.

    brilliancy.
-ancy British  

suffix

  1. a variant of -ance, used to indicate condition or quality

    expectancy

    poignancy

    malignancy
"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of -ancy

< Latin -antia, equivalent to -ant- -ant ( -ā- thematic vowel + -nt- present participle suffix) + -ia -y 3

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.