This is the 10893rd most frequent Spanish word.
destierre
"Destierre" is the first-person singular present subjunctive or formal imperative form of "desterrar," meaning "to exile" or "to banish."
In this sentence, 'destierre' is used in its subjunctive form to express a wish or suggestion regarding eliminating something undesirable, namely corrupt practices.
Es importante que el gobierno destierre las prácticas corruptas.
It is important that the government banishes corrupt practices.
Here, 'destierre' is again in the subjunctive, indicating a hope or desire for personal improvement and removal of poor behaviors.
Espero que él destierre sus malos hábitos con el tiempo.
I hope that he bannishes his bad habits over time.
This usage employs 'destierre' in a formal exhortation within the subjunctive mood to indicate a mandated action against societal issues.