| Subject | English | French |
| gen. | deep sub-surface clearance | déminage de la couche intermédiaire |
| mun.plan., industr., construct. | sub surface | garniture intérieure |
| gen. | sub-surface clearance | déminage de la couche superficielle |
| water.res. | sub-surface dam | barrage souterrain |
| water.res. | sub-surface drain | drain souterrain |
| met., el. | sub-surface etching | surcoupe |
| mech.eng. | sub-surface fire hydrant | bouche d'incendie |
| life.sc., tech. | sub-surface float | flotteur profond |
| nat.sc. | sub-surface flow reed bed | roselière sub-surfacique |
| life.sc. | sub-surface mark | repérage souterrain |
| transp. | sub-surface railway | tramway souterrain |
| earth.sc. | sub-surface soil | sol subsurfacique |
| chem., el. | sub-surface storage facility | réservoir souterrain |
| earth.sc., environ., min.prod. | sub-surface water | nappe d'eau souterraine |
| earth.sc., environ., min.prod. | sub-surface water | nappe souterraine |
| earth.sc., environ., min.prod. | sub-surface water | nappe |
| earth.sc., environ., min.prod. | sub-surface water | eau souterraine |
| transp., construct. | the roadbase carries the carriageway surfacing /road surface/ and rests on the sub-base | la couche de base supporte la couche de surface et repose sur la couche de fondation |