plural of objective synonym

(taxonomy) A synonym when the names being synonymized have the same type, making them objectively identical.

(taxonomy) A synonym when the names being synonymized have different types, based to some extent on the opinion of the writer.

plural of subjective synonym

Synonym of near-synonym

plural of quasi-synonym

(botany) A synonym that comes into being when a taxon is reduced in status ("reduced to synonymy") and becomes part of a different taxon. The zoological equivalent is "subjective synonym".