subsidization vs allocation

subsidization and allocation both are nouns.

Word	Noun	Adjective	Verb	Adverb
subsidization	Yes	No	No	No
allocation	Yes	No	No	No

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

subsidization: the act of providing a subsidy
allocation: the act of distributing by allotting or apportioning; distribution according to a plan

Other hypernyms of subsidization include allotment, apportioning, apportionment, assignation, parceling, parcelling.

subsidization (noun)	allocation (noun)
the act of providing a subsidy	the act of distributing by allotting or apportioning; distribution according to a plan
money (or other benefits) obtained as a subsidy	(computer science) the assignment of particular areas of a magnetic disk to particular data or instructions
	a share set aside for a specific purpose