soundalike

From sound +‎ alike, perhaps modelled on lookalike.

soundalike (plural soundalikes)

1. A sound, music recording, etc. that audibly resembles another.
   • 1994, Thomas J Smedinghoff, The Software Publishers Association Legal Guide to Multimedia:

     See chapter 5, section 2.1 regarding soundalike cases. With respect to the copyright in the sound recording, however, it would not be infringement...

   • 2003, Nick Nicholas; George Baloglou, An Entertaining Tale of Quadrupeds: Translation and Commentary:

     Somewhat more problematic for a theory of written transmission are errors where a word is replaced not by a synonym but by a soundalike.

   • 2007, M William Krasilovsky; Sidney Shemel; John M Gross; Jonathan Feinstein, This Business of Music:

     In recent years there has been an increase in the number of soundalike recordings...