drug company vs pharma

drug company and pharma both are nouns.

Word	Noun	Adjective	Verb	Adverb
drug company	Yes	No	No	No
pharma	Yes	No	No	No

As nouns, drug company and pharma are synonyms defined as:

Other synonyms of drug company include pharmaceutical company.

drug company (noun)	pharma (noun)
a company that makes and sells pharmaceuticals	a company that makes and sells pharmaceuticals