reapportionment vs reallocation

reapportionment and reallocation both are nouns.

Word	Noun	Adjective	Verb	Adverb
reapportionment	Yes	No	No	No
reallocation	Yes	No	No	No

As nouns, reapportionment and reallocation are synonyms defined as:

reapportionment and reallocation: a new apportionment (especially a new apportionment of congressional seats in the United States on the basis of census results)

Other synonyms of reapportionment include reallotment.

reapportionment (noun)	reallocation (noun)
a new apportionment (especially a new apportionment of congressional seats in the United States on the basis of census results)	a new apportionment (especially a new apportionment of congressional seats in the United States on the basis of census results)
	a share that has been allocated again