allocation vs assignation

allocation and assignation both are nouns.

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

As nouns, allocation and assignation are synonyms defined as:

allocation and assignation: the act of distributing by allotting or apportioning; distribution according to a plan

Other synonyms of allocation include allotment, apportioning, apportionment, parceling, parcelling.

allocation (noun)	assignation (noun)
the act of distributing by allotting or apportioning; distribution according to a plan	a secret rendezvous (especially between lovers)
(computer science) the assignment of particular areas of a magnetic disk to particular data or instructions	the act of distributing by allotting or apportioning; distribution according to a plan
a share set aside for a specific purpose