pass out vs portion out

pass out and portion out both are verbs.

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

As verbs, portion out is a hyponym of pass out; that is, portion out is a word with a more specific, narrower meaning than pass out:

Other hyponyms of pass out include apportion, deal, divvy up, share.

pass out (verb)	portion out (verb)
pass out from weakness, physical or emotional distress due to a loss of blood supply to the brain	give out as one's portion or share
lose consciousness due to a sudden trauma, for example
give to several people