quell vs suppress

quell and suppress both are verbs.

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

As verbs, suppress is a hypernym of quell; that is, suppress is a word with a broader meaning than quell:

Other hypernyms of quell include conquer, stamp down, subdue.

quell (verb)	suppress (verb)
suppress or crush completely	bring under control by force or authority
overcome or allay	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