We don't have synonyms for amara yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are mara, samara and amaru.
(n) :
A female given name originating as a coinage, of modern usage taken from fantasy fiction; explained, for example, as a Sanskrit word for "eternal".
(n) :
A female given name originating as a coinage, of modern usage taken from fantasy fiction; explained, for example, as a Sanskrit word for "eternal".