paronym, paronymy 1. A word from the same root, and usually a similar pronunciation, as another; such as, 'beautiful' and 'beauteous'. 2. Words which are almost homonyms, but have slight differences in spelling and have different meanings. 3. Having a similar sound, but different orthography and different meaning; said of certain words, as 'all' ... Found on http://www.wordinfo.info/words/index/info/view_unit/2565/7