[Vocabulary] "Oppression vs repression"

[VSPrasad]

"Oppression vs repression"

oppress

unfair and cruel treatment by a powerful person or government

Definition of oppression, Macmillan Online Dictionary: Free British English Dictionary and Thesaurus

repress

to put down (again) by force before control has been lost, as with a rebellion

repress - Definition of repress - online dictionary powered by PowerVocabularyBuilder.com

To press again; to repress the first risings of discontent.

repress - Wiktionary

Oppression is use of repression more than once.

I wish to know if any other member can give a better way of expressing
the difference between the two words.