| Subject | Portuguese | English |
| math., Braz. | duplo cego | double-blind |
| math. | duplo-cego | double-blind |
| med., pharma., R&D. | ensaio duplo-cego | double blind test |
| med., pharma., R&D. | ensaio duplo-cego | double-blind |
| med., pharma., R&D. | ensaio duplo-cego | double-blind trial |
| pharma. | Ensaio duplo-cego | Double-blind trial |
| med., pharma., R&D. | ensaio duplo-cego | double-blinding |
| med., pharma., R&D. | ensaio duplo-cego | double-blinded test |
| med., pharma., R&D. | ensaio duplo-cego | double-blind study |
| med., pharma., R&D. | ensaio duplo-cego | double blindfold test |
| med., pharma., R&D. | ensaio duplo-cego | double blind assay |