| Similarity | Rank | |
|---|---|---|
| oapec | 0.888 | 64191 |
| subroto | 0.812 | 95980 |
| apec | 0.806 | 40511 |
| boussena | 0.798 | 76539 |
| sela | 0.797 | 43289 |
| unctad | 0.794 | 41198 |
| amu | 0.793 | 39369 |
| geneva-based | 0.791 | 63009 |
| countries | 0.788 | 16497 |
| ceeac | 0.787 | 69677 |
| sadcc | 0.786 | 37828 |
| g-24 | 0.783 | 49619 |
| third-largest | 0.779 | 61084 |
| sadek | 0.775 | 78099 |
| mercosur | 0.772 | 40217 |
| aladi | 0.771 | 56101 |
| five-country | 0.770 | 84956 |
| opec | 0.769 | 10877 |
| igadd | 0.769 | 88497 |
| non-arab | 0.766 | 76530 |
| 13-member | 0.765 | 59313 |
| picc | 0.765 | 51364 |
| petroleum | 0.764 | 7917 |
| acp | 0.763 | 30591 |
| oecs | 0.762 | 63062 |