| Similarity | Rank | |
|---|---|---|
| ice-sheet | 0.893 | 47735 |
| miocene | 0.892 | 31987 |
| cenozoic | 0.885 | 76640 |
| pleistocene | 0.883 | 19850 |
| eocene | 0.875 | 39949 |
| neogene | 0.871 | 76982 |
| oligocene | 0.867 | 52381 |
| morainic | 0.861 | 91540 |
| gondwana | 0.859 | 53971 |
| glaciation | 0.856 | 30769 |
| andesitic | 0.856 | 76635 |
| pangaea | 0.855 | 62891 |
| archaean | 0.852 | 68387 |
| cainozoic | 0.851 | 58574 |
| volcanism | 0.846 | 33218 |
| proterozoic | 0.843 | 68404 |
| periglacial | 0.841 | 45595 |
| ignimbrite | 0.840 | 59199 |
| submergence | 0.840 | 51820 |
| dolerite | 0.839 | 79603 |
| subpolar | 0.838 | 46198 |
| tectonised | 0.838 | 99784 |
| paleozoic | 0.837 | 80473 |
| frasnian | 0.835 | 88648 |
| permafrost | 0.835 | 45630 |