place of origin vs birthplace

place of origin and birthplace both are nouns.

Word	Noun	Adjective	Verb	Adverb
place of origin	Yes	No	No	No
birthplace	Yes	No	No	No

As nouns, place of origin and birthplace are synonyms defined as:

place of origin and birthplace: where something originated or was nurtured in its early existence

Other synonyms of place of origin include cradle, provenance, provenience.

place of origin (noun)	birthplace (noun)
where something originated or was nurtured in its early existence	the place where someone was born
	where something originated or was nurtured in its early existence