quench vs suppress

quench and suppress both are verbs.

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

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

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

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

quench: suppress (sparking) when the current is cut off in an inductive circuit, or suppress (an oscillation or discharge) in a component or device
suppress: bring under control by force or authority

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

quench (verb)	suppress (verb)
suppress or crush completely	bring under control by force or authority
cool (hot metal) by plunging into cold water or other liquid	lessen to the point of stopping
reduce the degree of (luminescence or phosphorescence) in (excited molecules or a material) by adding a suitable substance	put out of one's consciousness
satisfy (thirst)	consciously restrain from showing; of emotions, desires, impulses, or behavior
suppress (sparking) when the current is cut off in an inductive circuit, or suppress (an oscillation or discharge) in a component or device	come down on or keep down by unjust use of one's authority
put out, as of fires, flames, or lights