Meaning of -ENCE in English

-ENCE

I. -ance / ə ns/ BrE AmE , -ence suffix [in nouns]

[ Language: Old French ; Origin: Latin -antia , from -ant ; ⇨ ↑ -ant ]

the action, state, or quality of doing something or of being something:

his sudden appearance (=he appeared suddenly)

her brilliance (=she is ↑ brilliant )

II. -ence / ə ns/ BrE AmE suffix [in nouns]

another form of the suffix ↑ -ance :

existence

occurrence

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.