| Subject | German | English |
| med. | L-3,3',5,5'-Tetrajodthyronin | thyroxine |
| med. | L-3,3',5,5'-Tetrajodthyronin | 4-4-hydroxy-3,5-diodophenoxy-3,5-diodophenylalanine |
| med. | L-3,3',5,5'-Tetrajodthyronin | Thx |
| med. | L-3,3',5,5'-Tetrajodthyronin | L-3,3',5,5'-tetraiodothyronine |
| med. | L-3,3',5,5'-Tetrajodthyronin | thyroxin |
| nucl.phys. | 3',5',3,5-Tetrajodthyronin | 3',5',3,5-tetraiodothyronine (also a radiopharmaceutical) |
| nucl.phys. | 3',5',3,5-Tetrajodthyronin | thyroxine |
