* s (one phoneme)
* i (one phoneme)
* z (one phoneme, representing the "z" sound)
* ə (one phoneme, representing the "schwa" sound)
* z (one phoneme, representing the "z" sound)
* ə (one phoneme, representing the "schwa" sound)
* s (one phoneme)
Therefore, the word "scissors" has 7 phonemes.