expectorator vs medicament

expectorator and medicament both are nouns.

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

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

expectorator: a medicine promoting expectoration
medicament: (medicine) something that treats or prevents or alleviates the symptoms of disease

Other hypernyms of expectorator include medication, medicinal drug, medicine.

expectorator (noun)	medicament (noun)
a medicine promoting expectoration	(medicine) something that treats or prevents or alleviates the symptoms of disease
a person who spits (ejects saliva or phlegm from the mouth)