We don't have synonyms for sings yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are sing, wings and singe.
(n) :
Alternative form of sheng (“Chinese wind instrument”). [A Chinese wind instrument, a free-reed mouth organ consisting of 13 or more bamboo pipes of various lengths, which are fixed at their bases in a wind chest made from a dried gourd (or, more recently, wood or chrome-plated brass).]
(n) :
Alternative form of sheng (“Chinese wind instrument”). [A Chinese wind instrument, a free-reed mouth organ consisting of 13 or more bamboo pipes of various lengths, which are fixed at their bases in a wind chest made from a dried gourd (or, more recently, wood or chrome-plated brass).]