stub out vs quench

stub out and quench both are verbs.

Word	Noun	Adjective	Verb	Adverb
stub out	No	No	Yes	No
quench	No	No	Yes	No

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

Other hypernyms of stub out include blow out, extinguish, snuff out.

stub out (verb)	quench (verb)
extinguish by crushing	suppress or crush completely
	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