-ence

-ence

suff.
1. State or condition: dependence.
2. Action: emergence.

[Middle English, from Latin -entia (from -ēns, -ent-, -ent) and from Old French -ance, -ance.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

-ence

or

-ency

suffix forming nouns
indicating an action, state, condition, or quality: benevolence; residence; patience.
[via Old French from Latin -entia, from -ēns, present participial ending]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

-ance

a suffix used to form nouns either from adjectives in -ant or from verbs: brilliance; appearance.
[Middle English < Old French < Latin]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Yet,compared with the US,our collective in flu -ence on world affairs is still minimal.
Being part of the UK contingent team also means adult volunteers like David get to travel to places they have never -ences they won't forget.
"I know that I will be able to take the skills I learn at Roverway back to the Scout Troop in run at home and the young people I work with will -ences I going to have this summer" Chief Scout, Bear Grylls wished participants well saying: "They are heading off on the trip of a lifetime.