disc drive vs hard drive

disc drive and hard drive both are nouns.

Word	Noun	Adjective	Verb	Adverb
disc drive	Yes	No	No	No
hard drive	Yes	No	No	No

As nouns, disc drive and hard drive are synonyms defined as:

disc drive and hard drive: computer hardware that holds and spins a magnetic or optical disk and reads and writes information on it

Other synonyms of disc drive include disk drive, Winchester drive.

disc drive (noun)	hard drive (noun)
computer hardware that holds and spins a magnetic or optical disk and reads and writes information on it	computer hardware that holds and spins a magnetic or optical disk and reads and writes information on it