apportionment vs parcelling

apportionment and parcelling both are nouns.

Word	Noun	Adjective	Verb	Adverb
apportionment	Yes	No	No	No
parcelling	Yes	No	No	No

As nouns, apportionment and parcelling are synonyms defined as:

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

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

apportionment (noun)	parcelling (noun)
the act of distributing by allotting or apportioning; distribution according to a plan	the act of distributing by allotting or apportioning; distribution according to a plan