spew vs expectorate

spew and expectorate both are verbs.

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

As verbs, expectorate is a hypernym of spew; that is, expectorate is a word with a broader meaning than spew:

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

Other hypernyms of spew include cough out, cough up, spit out, spit up.

spew (verb)	expectorate (verb)
eject the contents of the stomach through the mouth	discharge (phlegm or sputum) from the lungs and out of the mouth
expel or eject (saliva or phlegm or sputum) from the mouth	clear out the chest and lungs
eject or send out in large quantities, also metaphorical