ptyalise vs expectorate

ptyalise and expectorate both are verbs.

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

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

ptyalise: 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 ptyalise include cough out, cough up, spit out, spit up.

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