Po Hai vs Bo Hai

Po Hai and Bo Hai both are nouns.

Word	Noun	Adjective	Verb	Adverb
Po Hai	Yes	No	No	No
Bo Hai	Yes	No	No	No

As nouns, Po Hai and Bo Hai are synonyms defined as:

Po Hai and Bo Hai: an inlet of the Yellow Sea, on the coast of Eastern China

Other synonyms of Po Hai include Bohai Sea.

Po Hai (noun)	Bo Hai (noun)
an inlet of the Yellow Sea, on the coast of Eastern China	an inlet of the Yellow Sea, on the coast of Eastern China