subsidisation vs allotment

subsidisation and allotment both are nouns.

Word	Noun	Adjective	Verb	Adverb
subsidisation	Yes	No	No	No
allotment	Yes	No	No	No

As nouns, allotment is a hypernym of subsidisation; that is, allotment is a word with a broader meaning than subsidisation:

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

Other hypernyms of subsidisation include allocation, apportioning, apportionment, assignation, parceling, parcelling.

subsidisation (noun)	allotment (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	a share set aside for a specific purpose