楼主是高人。我也认为英语中没有这样的词汇。
不过因为你说nym后缀，我倒是替你找了一大堆，你自个儿瞧瞧，尤其是后面没有解释的。
---------------------------------------
Don't know your acronyms from your antonyms or your aptronyms from your autonyms? Confused about what tautonyms and toponyms are? You'll find them all here, from homonyms and hypernyms to eponyms and exonyms. We will guide you through explanations of each term, with helpful examples. Never again will you be perplexed by patronyms, confused by contronyms (contranyms), baffled by bacronyms, or stumped by synonyms. You won't muddle meronyms, metonyms, and metronyms, nor heteronyms, hyperonyms, and hyponyms. This is the ultimate guide to the –nym words. So, if you don't know what autoantonyms, capitonyms, and oronyms are, or you want to find out more about paronyms, pseudonyms, and retronyms, read on...
Words ending in –nym are often used to describe different classes of words, and the relationships between words. The –nym literally means name, from the Greek onoma meaning name or word. The Nym Dictionary below defines all the common –nym words, and many of the more unusual ones too.
Some other –nym words: allonym, ananym, anonym, caconym, cohyponym, cryptonym, dionym, euonym, euonym, euphonym, isonym, paedonym, paranym, poecilonym, polyonym, teknonym, trionym.