-ance
/əns/suffix
forming nouns ［构成名词］
1
- denoting a quality or state or an instance of one表示“性质”, “状况”, “实例”：
allegiance
extravagance
perseverance.
2
- denoting an action表示“行动”：
appearance
utterance.
词源
from French -ance, from Latin -antia, -entia （from present participial stems -ant-， -ent-）.