expectorator vs worker

expectorator and worker both are nouns.

Word	Noun	Adjective	Verb	Adverb
expectorator	Yes	No	No	No
worker	Yes	No	No	No

As nouns, worker is a hypernym of expectorator; that is, worker is a word with a broader meaning than expectorator:

Other hypernyms of expectorator include actor, doer.

expectorator (noun)	worker (noun)
a medicine promoting expectoration	sterile member of a colony of social insects that forages for food and cares for the larvae
a person who spits (ejects saliva or phlegm from the mouth)	a person who works at a specific occupation
	a member of the working class (not necessarily employed)
	a person who acts and gets things done