placement center vs placement office

placement center and placement office both are nouns.

Word	Noun	Adjective	Verb	Adverb
placement center	Yes	No	No	No
placement office	Yes	No	No	No

As nouns, placement center and placement office are synonyms defined as:

placement center and placement office: an office that finds suitable employment for applicants

placement center (noun)	placement office (noun)
an office that finds suitable employment for applicants	an office that finds suitable employment for applicants