We don't have synonyms for chams yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are chaos, champ and chaps.
(N) :
The Chams (Cham: , چام, cam), or Champa people (Cham: , اوراڠ چامفا, Urang Campa; or ; , ), are an Austronesian ethnic group in Southeast Asia and are the original inhabitants of central Vietnam and coastal Cambodia before the arrival of the Cambodians and Vietnamese, during the expansion of the Khmer Empire and the Vietnamese conquest of Champa (11th–19th century CE).
(N) :
The Chams (Cham: , چام, cam), or Champa people (Cham: , اوراڠ چامفا, Urang Campa; or ; , ), are an Austronesian ethnic group in Southeast Asia and are the original inhabitants of central Vietnam and coastal Cambodia before the arrival of the Cambodians and Vietnamese, during the expansion of the Khmer Empire and the Vietnamese conquest of Champa (11th–19th century CE).