http://www.wordnik.com/lists/alphabet-sounds.xml I seem to keep running into words like these. The definitions of them are pretty vague but I think I get the idea. <br /> <br /><a href="/words/sibilant">sibilant</a> - a consonant characterized by a hissing sound (like s or sh) <br /><a href="/words/fricative">fricative</a>, <a href="/words/spirant">spirant</a> - A consonant, such as f or s in English, produced by the forcing of breath through a constricted passage. <br /><a href="/words/rhotacism">rhotacism</a>, <a href="/words/rotacism">rotacism</a> - An oversounding, or a misuse, of the letter r <br /><a href="/words/lambdacism">lambdacism</a> - speech defect involving excessive use or unusual pronunciation of the phoneme `l' http://www.wordnik.com http://www.wordnik.com/words/lambdacism Thu, 26 Mar 2009 22:19:59 +0000 http://www.wordnik.com/words/lambdacism http://www.wordnik.com/words/rotacism Thu, 26 Mar 2009 22:19:54 +0000 http://www.wordnik.com/words/rotacism http://www.wordnik.com/words/rhotacism Thu, 26 Mar 2009 22:19:41 +0000 http://www.wordnik.com/words/rhotacism http://www.wordnik.com/words/spirant Thu, 26 Mar 2009 22:19:35 +0000 http://www.wordnik.com/words/spirant http://www.wordnik.com/words/fricative Thu, 26 Mar 2009 22:19:31 +0000 http://www.wordnik.com/words/fricative http://www.wordnik.com/words/sibilant Thu, 26 Mar 2009 22:19:25 +0000 http://www.wordnik.com/words/sibilant