| Similarity | Rank | |
|---|---|---|
| fundamental | 0.730 | 3028 |
| foundation_of | 0.666 | 3528 |
| essential | 0.614 | 2954 |
| core_concept | 0.590 | 92170 |
| the_most_fundamental | 0.589 | 95383 |
| fundamental_principle | 0.587 | 60754 |
| the_foundation_for | 0.582 | 8563 |
| a_foundation_for | 0.580 | 40431 |
| key_concept | 0.559 | 45836 |
| basic | 0.558 | 1055 |
| basic_concept | 0.552 | 36301 |
| the_building_block_of | 0.552 | 45341 |
| essential_element_of | 0.542 | 62174 |
| an_essential | 0.537 | 39342 |
| the_fundamental_principle_of | 0.536 | 69308 |
| fundamental_of | 0.532 | 9747 |
| cornerstone | 0.532 | 39085 |
| central_to | 0.531 | 14756 |
| foundation_for | 0.530 | 20628 |
| build_upon | 0.530 | 8903 |
| that_underpin | 0.521 | 60177 |
| underpin | 0.518 | 14336 |
| critical | 0.517 | 1774 |
| the_most_basic | 0.516 | 41854 |
| conceptual_framework | 0.514 | 58607 |