anthelmintic vs medicament

anthelmintic and medicament both are nouns.

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

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

anthelmintic: a medication capable of causing the evacuation of parasitic intestinal worms
medicament: (medicine) something that treats or prevents or alleviates the symptoms of disease

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

anthelmintic (noun)	medicament (noun)
a medication capable of causing the evacuation of parasitic intestinal worms	(medicine) something that treats or prevents or alleviates the symptoms of disease

anthelmintic (adjective)	medicament (adjective)
capable of expelling or destroying parasitic worms