Fosamax vs medicinal drug

Fosamax and medicinal drug both are nouns.

Word	Noun	Adjective	Verb	Adverb
Fosamax	Yes	No	No	No
medicinal drug	Yes	No	No	No

As nouns, medicinal drug is a hypernym of Fosamax; that is, medicinal drug is a word with a broader meaning than Fosamax:

Fosamax: a tablet (trade name Fosamax) prescribed to prevent or treat osteoporosis in women after menopause
medicinal drug: (medicine) something that treats or prevents or alleviates the symptoms of disease

Other hypernyms of Fosamax include medicament, medication, medicine.

Fosamax (noun)	medicinal drug (noun)
a tablet (trade name Fosamax) prescribed to prevent or treat osteoporosis in women after menopause	(medicine) something that treats or prevents or alleviates the symptoms of disease