disc pack vs disk pack

disc pack and disk pack both are nouns.

Word	Noun	Adjective	Verb	Adverb
disc pack	Yes	No	No	No
disk pack	Yes	No	No	No

As nouns, disc pack and disk pack are synonyms defined as:

disc pack and disk pack: (computer science) a portable pack of magnetic disks used in a disk storage device

disc pack (noun)	disk pack (noun)
(computer science) a portable pack of magnetic disks used in a disk storage device	(computer science) a portable pack of magnetic disks used in a disk storage device