extinguish vs crush out

extinguish and crush out both are verbs.

Word	Noun	Adjective	Verb	Adverb
extinguish	No	No	Yes	No
crush out	No	No	Yes	No

As verbs, extinguish and crush out are synonyms defined as:

Other synonyms of extinguish include press out, stub, stub out.

As verbs, crush out is a hyponym of extinguish; that is, crush out is a word with a more specific, narrower meaning than extinguish:

Other hyponyms of extinguish include extinguish, press out, stub, stub out, douse, put out.

extinguish (verb)	crush out (verb)
put an end to; kill	extinguish by crushing
kill in large numbers
terminate, end, or take out
extinguish by crushing
put out, as of fires, flames, or lights