| Similarity | Rank | |
|---|---|---|
| invertebrate | 0.788 | 11542 |
| earthworm | 0.787 | 17151 |
| alga | 0.767 | 8201 |
| crustacean | 0.765 | 22279 |
| acid-loving | 0.761 | 84047 |
| plankton | 0.759 | 22985 |
| freshwater | 0.756 | 11850 |
| herbivorous | 0.755 | 37000 |
| planktonic | 0.749 | 42523 |
| aquarium | 0.740 | 5998 |
| rotifer | 0.736 | 60909 |
| flatworm | 0.727 | 44099 |
| overwinter | 0.726 | 26453 |
| chironomid | 0.721 | 97391 |
| amoeba | 0.719 | 36575 |
| mollusc | 0.714 | 14911 |
| euphausiid | 0.713 | 93960 |
| plesiosaur | 0.713 | 72449 |
| potamogeton | 0.712 | 64491 |
| ichthyosaur | 0.712 | 94489 |
| waterlilie | 0.706 | 27764 |
| bottom-dwelling | 0.706 | 76921 |
| daphnia | 0.704 | 39022 |
| mollusca | 0.703 | 99041 |
| zooplankton | 0.703 | 41130 |