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		   | vi) | Aspiration is not noticed in Urali, Irula and Tamil. |  
		    | vii) | Nasalisation is lacking both in Irula and Urali, whereas it is quite common in Tamil. |  | 
 
 | On the basis of comparison of some of the lexical items common to both Tamil and Urali, some sporadic loss, change and addition of certain sounds are noticed in Urali vocabulary. | 
 
 | 1.20.1.  Vowels | 
 
    | 
		    
			   | 1.20.1.1. | /a/ in the initial syllable of some Tamil lexical items become /e/ in Urali. |  | 
 
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		     |  | /a/ | /e/ |  |  
		     |  | Tamil | Urali |  |   
		      |  | kale | kele | `mix’ |   
		      |  | valai | vele | `net’ |   
		      |  | va   u | ve   u | `beetle’ |   
		      |  | varai | vere | `draw’ |   
		      |  | kanRu | kenRu | `calf’ |   
		      | 1.20.1.2 | /ai/ | /e/ |  |   
		      |  | varai | vere | `draw’ |   
		      |  | varicai | verise | `que’ |   
		      |  | narai | nore | `grey’ (h  ir) |   
		      | 1.20.1.3 | /i/ | /u/ |  |   
		      |  | va  ike  u | va  duke  u | `filter’ |   
		      |  | eRi | eRu | `throw’ |   
		      | 1.20.1.4 | /u/ | /i/,/o/ |  |   
		      |  | no:nbu | no:mbi | `festival’ |   
		      |  | na   u | nü   i | `crab’ |   
		      |  | pullu | pillu | `grass’ |   
		      |  | nurali | nore | `froth’ |  |