We don't have synonyms for munus yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are mucus, minus and manus.
(n) :
Former name of Serebrianka: a village, the administrative centre of Serebrianka silrada, Perekop Raion, the Crimea, Ukraine; known by this name until 1948.
(n) :
Former name of Serebrianka: a village, the administrative centre of Serebrianka silrada, Perekop Raion, the Crimea, Ukraine; known by this name until 1948.