stamp down vs suppress

stamp down and suppress both are verbs.

Word	Noun	Adjective	Verb	Adverb
stamp down	No	No	Yes	No
suppress	No	No	Yes	No

As verbs, stamp down and suppress are synonyms defined as:

Other synonyms of stamp down include conquer, subdue.

stamp down (verb)	suppress (verb)
bring under control by force or authority	bring under control by force or authority
	lessen to the point of stopping
	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