paronymous

from The Collaborative International Dictionary of English v.0.48
Paronymous \Pa*ron"y*mous\, a. [Gr. parw`nymos; para` beside,
   near + 'o`noma a name.]
   1. Having the same derivation; allied radically; conjugate;
      -- said of certain words, as man, mankind, manhood, etc.
      [1913 Webster]

   2. Having a similar sound, but different orthography and
      different meaning; -- said of certain words, as all and
      awl; hair and hare, etc.
      [1913 Webster]
    

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