Find out about the differences between two sounds in terms of their feature specifications. Select two sounds and view the result on the right side. Use the button "New comparison" to remove previous results and start the next comparison. Switch between listing differences or similarities between sounds. The feature specifications are based on Hayes (2009): Introductory Phonology.
Display the feature specification of a single sound. Just pick a sound from the list below. The result shows up on the right side. The feature specifications are based on Hayes (2009): Introductory Phonology.
Find sounds by feature value. For example, list all sounds that are [+nasal] or [-sonorant]. The feature specifications are based on Hayes (2009): Introductory Phonology.