| Subject | English | French |
| earth.sc. | cave not open to the public | grotte non exploitée par le tourisme |
| met. | to cave | s'écrouler |
| met. | to cave | s'ébouler |
| met. | to cave in | s'écrouler |
| met. | to cave in | s'ébouler |
| construct. | to cave in | éboulement (collapse of embankments) |
| construct. | to cave in | affouillement (collapse of embankments, de terre) |