Again, consider the highlighted sounds.

  Bilabial Labiodental Dental Alveolar Postalveolar Retroflex Palatal Velar Glotal
(Oral) Stop p b         t d             k g    
(Nasal) Stop   m           n                    
Tap or Flap               ɾ                    
Affricate             ts   tʃ dʒ                
Fricative     f v     s z ʃ ʒ             h  
Central approximant   w                       j        
Lateral
approximant 		              l                    

Do the highlighted sounds above form a natural class?

Yes No

There is one sound in this group that does not share the features which classify the others. Try again.

Correct! There is one sound in this group that does not share the features which classify the others.

Now, if one of the five sounds highlighted above were removed from the set, the remaining sounds would form a natural class.

Which sound is it?

Try again.

Correct! The sounds [p], [t], and [k] form a natural class in Romanian.

Now, from the menus below select the minimal number of features necessary to define the natural class.

Voicing: Place: Manner:

Reconsider 'voicing'.

Reconsider 'place'.

Reconsider 'manner'.