Desynonymize :: Desynonymize (v. t.) To deprive of synonymous character; to discriminate in use; -- applied to words which have been employed as synonyms.
Synonyma :: Synonym (n.) One of two or more words (commonly words of the same language) which are equivalents of each other; one of two or more words which have very nearly the same signification, and therefore may often be used interchangeably. See under Synonymous..