■ suffix forming nouns:
1》 denoting a quality or state: perseverance.
2》 denoting an action: utterance.
Origin
from Fr. ~ , from L. -antia , -entia (from pres. participial stems -ant- , -ent- ).
-ANCE
Meaning of -ANCE in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004