nf. synonymy, quality of being similar in meaning

nf. synonymy, quality of being similar in meaning; study of synonyms; list of words with similar or related meanings; list of scientific names belonging to a species and its subdivisions (Biology)

(n.) = sinonymy ; synonymy ; synonymity.
Ex: Synonymy is the quality of two or more terms having different forms and exactly or nearly the same meaning.
Ex: Synonymy is the quality of two or more terms having different forms and exactly or nearly the same meaning.
Ex: Even when the indexing was 'corrected' to eliminate synonymity among terms, the effect was weak.