| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| nelson mandela freed from prison | 1.66 | 0.5 | 5695 | 81 |
| who freed nelson mandela from prison | 0.34 | 0.7 | 8420 | 46 |
| when was mandela freed from prison | 0.16 | 0.7 | 756 | 17 |
| nelson mandela released from prison | 0.52 | 0.9 | 7017 | 29 |
| nelson mandela out of prison | 0.08 | 0.5 | 2927 | 74 |
| nelson mandela release from prison | 1.1 | 1 | 3535 | 23 |
| nelson mandela in prison life | 1.58 | 0.4 | 1776 | 99 |
| facts about nelson mandela in prison | 0.8 | 0.4 | 530 | 30 |
| nelson mandela released from jail | 0.74 | 0.5 | 659 | 5 |
| who put nelson mandela in prison | 0.73 | 0.6 | 1720 | 6 |
| nelson mandela time in prison | 0.95 | 0.3 | 7739 | 29 |
| nelson mandela years in prison | 0.69 | 1 | 9198 | 43 |
| nelson mandela after jail | 0.57 | 0.7 | 3021 | 66 |
| who imprisoned nelson mandela | 1.18 | 0.6 | 4265 | 22 |
| nelson mandela remained in the jail for | 1.99 | 0.3 | 4544 | 21 |
