quell vs quench

quell and quench both are verbs.

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

As verbs, quell and quench are synonyms defined as:

Other synonyms of quell include squelch.

quell (verb)	quench (verb)
suppress or crush completely	suppress or crush completely
overcome or allay	cool (hot metal) by plunging into cold water or other liquid
	reduce the degree of (luminescence or phosphorescence) in (excited molecules or a material) by adding a suitable substance
	satisfy (thirst)
	suppress (sparking) when the current is cut off in an inductive circuit, or suppress (an oscillation or discharge) in a component or device
	put out, as of fires, flames, or lights