expectorate vs spue

expectorate and spue both are verbs.

Word	Noun	Adjective	Verb	Adverb
expectorate	No	No	Yes	No
spue	No	No	Yes	No

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

expectorate: discharge (phlegm or sputum) from the lungs and out of the mouth
spue: expel or eject (saliva or phlegm or sputum) from the mouth

Other hyponyms of expectorate include cough, ptyalise, ptyalize, spew, spit, spit out, splutter, sputter.

expectorate (verb)	spue (verb)
discharge (phlegm or sputum) from the lungs and out of the mouth	eject the contents of the stomach through the mouth
clear out the chest and lungs	expel or eject (saliva or phlegm or sputum) from the mouth