| Subject | English | French |
| gen. | a three-layer sole | une triple semelle |
| gen. | three layer | trois couches |
| gen. | three layers | trois couches |
| tech., industr., construct. | three-layer board | carton trois plis |
| industr., construct. | three-layer board | panneau à trois couches |
| tech., industr., construct. | three-layer board | carton trois couches |
| tech., industr., construct. | three-layer board | carton triplex |
| wood. | three-layer board | carton "trois couches" |
| wood. | three-layer flakeboard | panneau de flocons trois couches |
| forestr. | three-layer panel | panneau trois couches |
| construct. | three-layer panel | panneau à trois couches |
| tech., industr., construct. | three-layer paper | papier trois couches |
| tech., industr., construct. | three-layer paper | papier trois plis |
| tech., industr., construct. | three-layer paper | papier triplex |
| industr., construct. | three-layer particle board | panneau de particules à trois couches |
| wood. | three-layer particleboard | panneau de particules de trois couches |
| construct. | three-layer penetration surfacing | pénétration tricouche |
| med. | three-layer sputum | crachats à trois couches |
| wood. | three-layer waferboard | panneau gaufré trois couches |