| basque group | 26.53 | The Basque separatist group ETA claimed responsibility. | ||
| basque separatist | 16.46 | Basque separatists in court. | ||
| basque region | 15.21 | MADRID,s Basque region. | ||
| basque country | 11.32 | This is Basque country. | ||
| basque language | 4.15 | Even the Basque language stands apart. | ||
| basque movement | 3.36 | ...the Basque separatist movement. | ||
| basque organisation | 3.23 | Police suspect the Basque militant separatist organisation ETA. | ||
| basque nationalist | 3.03 | Basque nationalist fights for power without bloodshed. | ||
| basque party | 2.96 | Several other Basque parties also opposed the promotion. | ||
| basque town | 2.70 | Incidents were also reported in half a dozen other Basque towns. | ||
| basque independence | 2.63 | Aznar has repeatedly ruled out Basque independence. | ||
| basque organization | 2.57 | Both attacks were blamed on the Basque separatist organization ETA. | ||
| basque newspaper | 2.50 | An anonymous caller had told a Basque newspaper where he could be found. | ||
| basque government | 2.30 | The Basque government likes the attention. | ||
| basque politician | 2.11 | But Basque politicians blasted the order. | ||
| basque militant | 2.04 | A number of Basque militants were also extradited from France, Germany, Spain and Mexico. | ||
| basque homeland | 1.91 | ETA is the Basque-language acronym for Basque homeland and freedom. | ||
| basque city | 1.84 | Spanish policeman killed by bomb in Basque city. | ||
| basque police | 1.78 | One resident suffered slight burns, Basque police said. | ||
| basque leader | 1.45 | But Basque nationalist leaders blamed the government. |