apportion vs portion out

apportion and portion out both are verbs.

Word	Noun	Adjective	Verb	Adverb
apportion	No	No	Yes	No
portion out	No	No	Yes	No

As verbs, apportion and portion out are synonyms defined as:

Other synonyms of apportion include deal, divvy up, share.

apportion (verb)	portion out (verb)
give out as one's portion or share	give out as one's portion or share
distribute according to a plan or set apart for a special purpose