restorative vs medicament

restorative and medicament both are nouns.

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

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

restorative: a medicine that strengthens and invigorates
medicament: (medicine) something that treats or prevents or alleviates the symptoms of disease

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

restorative (noun)	medicament (noun)
a device for treating injury or disease	(medicine) something that treats or prevents or alleviates the symptoms of disease
a medicine that strengthens and invigorates

restorative (adjective)	medicament (adjective)
promoting recuperation
tending to impart new life and vigor to