Zovirax vs medicament

Zovirax and medicament both are nouns.

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

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

Zovirax: an oral antiviral drug (trade name Zovirax) used to treat genital herpes; does not cure the disease but relieves the symptoms
medicament: (medicine) something that treats or prevents or alleviates the symptoms of disease

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

Zovirax (noun)	medicament (noun)
an oral antiviral drug (trade name Zovirax) used to treat genital herpes; does not cure the disease but relieves the symptoms	(medicine) something that treats or prevents or alleviates the symptoms of disease