We don't have synonyms for elwin yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are elfin, eloin and elvin.
(n) :
A census-designated place in South Wheatland Township, Macon County, Illinois, United States; the name is from the founders Daniel Elwood and William Martin.
(n) :
A census-designated place in South Wheatland Township, Macon County, Illinois, United States; the name is from the founders Daniel Elwood and William Martin.