| Similarity | Rank | |
|---|---|---|
| study | 0.681 | 264 |
| cross-national | 0.672 | 39708 |
| quantitative | 0.658 | 6245 |
| analysis | 0.649 | 799 |
| bibliometric | 0.643 | 38436 |
| co-citation | 0.634 | 50595 |
| cross-cultural | 0.633 | 24528 |
| microeconomics | 0.629 | 55405 |
| political-economic | 0.628 | 57507 |
| qualitative | 0.628 | 8275 |
| sociological | 0.628 | 6834 |
| pre-darwinian | 0.627 | 77848 |
| morphologist | 0.625 | 71960 |
| econometrics | 0.625 | 27805 |
| empirical | 0.624 | 4558 |
| typological | 0.622 | 56863 |
| biogeographer | 0.621 | 76382 |
| comparison | 0.620 | 1972 |
| non-publication | 0.620 | 83064 |
| case-studie | 0.618 | 52965 |
| micro-level | 0.618 | 71962 |
| galtung | 0.617 | 73540 |
| comprehensiveness | 0.616 | 33336 |
| variationist | 0.616 | 63997 |
| itpa | 0.615 | 95573 |