| English thesaurus | |||
| |||
| PCA | |||
|
Positive Control : 15 phrases in 10 subjects |
| Automobiles | 1 |
| General | 1 |
| Health care | 1 |
| Information technology | 1 |
| Life sciences | 2 |
| Measuring instruments | 1 |
| Mechanic engineering | 1 |
| Medical | 5 |
| Pharmacy and pharmacology | 1 |
| Transport | 1 |