We don't have synonyms for himera yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are chimera, hemera and hymera.
(N) :
Himera (Greek: ), was a large and important ancient Greek city situated on the north coast of Sicily at the mouth of the river of the same name (the modern Imera Settentrionale), between Panormus (modern Palermo) and Cephaloedium (modern Cefalù) in the comune of Termini Imerese.
(N) :
Himera (Greek: ), was a large and important ancient Greek city situated on the north coast of Sicily at the mouth of the river of the same name (the modern Imera Settentrionale), between Panormus (modern Palermo) and Cephaloedium (modern Cefalù) in the comune of Termini Imerese.