| Similarity | Rank | |
|---|---|---|
| oil-rich | 0.764 | 64333 |
| economies | 0.742 | 7449 |
| landlocked | 0.735 | 56489 |
| oil-producing | 0.728 | 90944 |
| sub-Saharan | 0.703 | 33783 |
| economically | 0.703 | 9956 |
| under-developed | 0.701 | 99728 |
| extractive | 0.700 | 63050 |
| underdeveloped | 0.691 | 36282 |
| Sub-Saharan | 0.685 | 50227 |
| continent's | 0.683 | 54363 |
| impoverished | 0.680 | 20431 |
| war-torn | 0.679 | 49422 |
| industrialized | 0.677 | 25634 |
| geo-political | 0.676 | 80997 |
| industrialised | 0.668 | 59981 |
| provinces | 0.667 | 10876 |
| hinterlands | 0.665 | 96485 |
| continent | 0.663 | 8445 |
| north-eastern | 0.662 | 65878 |
| countries | 0.662 | 860 |
| northeastern | 0.662 | 24063 |
| oilfields | 0.661 | 98378 |
| north-western | 0.660 | 78037 |
| sub-region | 0.660 | 93153 |