| Similarity | Rank | |
|---|---|---|
| glaciate | 0.865 | 54958 |
| refugium | 0.860 | 66085 |
| tithonian | 0.851 | 84784 |
| trias | 0.849 | 57767 |
| flysch | 0.846 | 80374 |
| mesolithic | 0.845 | 55925 |
| chalkland | 0.844 | 87443 |
| cenozoic | 0.839 | 76640 |
| periglacial | 0.838 | 45595 |
| pre-permian | 0.837 | 80271 |
| neotropical | 0.835 | 69600 |
| fossiliferous | 0.832 | 85110 |
| nrs | 0.832 | 89308 |
| eocene | 0.830 | 39949 |
| mid-to | 0.830 | 97597 |
| andesitic | 0.828 | 76635 |
| glauconitic | 0.826 | 88526 |
| hillfort | 0.825 | 63549 |
| faunal | 0.824 | 43919 |
| embayment | 0.822 | 96985 |
| post-roman | 0.822 | 47512 |
| echinoid | 0.822 | 92778 |
| unconformably | 0.822 | 99989 |
| palynology | 0.822 | 89454 |
| shallow-water | 0.822 | 88599 |