We don't have synonyms for xikang yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are xizang, xiang and sikang.
(N) :
(formerly romanized as Sikang or Hsikang, or 'Kham to the west [of Sichuan]') a nominal province: "Despite its almost entirely illusory nature, the so-called Xikang province was officially sketched out by Chinese map-makers, from whom it came to be known nation-wide.
(N) :
(formerly romanized as Sikang or Hsikang, or 'Kham to the west [of Sichuan]') a nominal province: "Despite its almost entirely illusory nature, the so-called Xikang province was officially sketched out by Chinese map-makers, from whom it came to be known nation-wide.