* th - /θ/ (one phoneme)
* ir - /ɜr/ (one phoneme)
* teen - /tin/ (three phonemes)
Therefore, there are a total of 5 phonemes in the word "thirteen".
* th - /θ/ (one phoneme)
* ir - /ɜr/ (one phoneme)
* teen - /tin/ (three phonemes)
Therefore, there are a total of 5 phonemes in the word "thirteen".