caconym

caconym, caconymy 1. An example of bad nomenclature or terminology; especially, in biology and botany. 2. The wrong name for something; especially, in the classification of plants and animals. 3. A name, especially a taxonomic name, that is considered linguistically undesirable.
Found on http://www.wordinfo.info/words/index/info/view_unit/2422/3

caconym

wrongly derived name
Found on http://phrontistery.info/c.html
No exact match found