suppress vs quell

suppress and quell both are verbs.

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

As verbs, quell is a hyponym of suppress; that is, quell is a word with a more specific, narrower meaning than suppress:

suppress (verb)	quell (verb)
bring under control by force or authority	suppress or crush completely
lessen to the point of stopping	overcome or allay
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