 |
| English thesaurus | |||
| |||
| PEC | |||
| Pelican: 38 phrases in 18 subjects |
| Architecture | 1 |
| Australian | 1 |
| Biology | 11 |
| British English spelling | 1 |
| Caspian | 2 |
| Drilling | 1 |
| Fish farming pisciculture | 1 |
| General | 4 |
| Heraldry | 2 |
| Hydrobiology | 1 |
| Ichthyology | 4 |
| Metallurgy | 1 |
| Nautical | 1 |
| Ornithology | 1 |
| Quality control and standards | 1 |
| Road works | 1 |
| Transport | 1 |
| Zoology | 3 |