storage allocation vs assigning

storage allocation and assigning both are nouns.

Word	Noun	Adjective	Verb	Adverb
storage allocation	Yes	No	No	No
assigning	Yes	No	No	No

As nouns, assigning is a hypernym of storage allocation; that is, assigning is a word with a broader meaning than storage allocation:

storage allocation: (computer science) the assignment of particular areas of a magnetic disk to particular data or instructions
assigning: the act of distributing something to designated places or persons

Other hypernyms of storage allocation include assignment.

storage allocation (noun)	assigning (noun)
(computer science) the assignment of particular areas of a magnetic disk to particular data or instructions	the act of distributing something to designated places or persons