We don't have synonyms for bosha yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are bosh, osha and kosha.
(n) :
(sometimes offensive, ethnic slur) The Lom, a nomadic people related to the Rom and Dom, with origins in India, who reside in the South Caucasus; Caucasian Gypsies.
(n) :
(sometimes offensive, ethnic slur) The Lom, a nomadic people related to the Rom and Dom, with origins in India, who reside in the South Caucasus; Caucasian Gypsies.