suppress vs oppress

suppress and oppress both are verbs.

Word	Noun	Adjective	Verb	Adverb
suppress	No	No	Yes	No
oppress	No	No	Yes	No

As verbs, suppress and oppress are synonyms defined as:

suppress and oppress: come down on or keep down by unjust use of one's authority

Other synonyms of suppress include crush.

suppress (verb)	oppress (verb)
bring under control by force or authority	come down on or keep down by unjust use of one's authority
lessen to the point of stopping	cause to suffer
put out of one's consciousness
consciously restrain from showing; of emotions, desires, impulses, or behavior
come down on or keep down by unjust use of one's authority