We don't have synonyms for bo hai yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are po hai, bohai and boohai.
(n) :
Alternative form of Bohai, synonym of Bohai Sea, a gulf of the Yellow Sea in the northwestern Pacific Ocean. [Synonym of Bohai Sea, a gulf of the Yellow Sea in the northwestern Pacific Ocean.]
(n) :
Alternative form of Bohai, synonym of Bohai Bay, a bay of the Bohai Sea or Yellow Sea. [Synonym of Bohai Sea, a gulf of the Yellow Sea in the northwestern Pacific Ocean.]
(n) :
(historical) Alternative form of Bohai, a commandery of imperial China. [Synonym of Bohai Sea, a gulf of the Yellow Sea in the northwestern Pacific Ocean.]
(n) :
Alternative form of Bohai, synonym of Bohai Sea, a gulf of the Yellow Sea in the northwestern Pacific Ocean. [Synonym of Bohai Sea, a gulf of the Yellow Sea in the northwestern Pacific Ocean.]
(n) :
Alternative form of Bohai, synonym of Bohai Bay, a bay of the Bohai Sea or Yellow Sea. [Synonym of Bohai Sea, a gulf of the Yellow Sea in the northwestern Pacific Ocean.]
(n) :
(historical) Alternative form of Bohai, a commandery of imperial China. [Synonym of Bohai Sea, a gulf of the Yellow Sea in the northwestern Pacific Ocean.]