21. Kiowa distinguishes six vowel qualities , with three distinctive levels of height and a front-back contrast. 22. In unstressed syllables length is not contrastive, and there are only five vowel qualities , to wit. 23. Vowel qualities are, all oral and nasal; the nasal vowels have slightly different or variable pronunciations :.24. Vowels in unstressed syllables are shortened as well, and vowel shortening causes changes in vowel quality : vowel reduction. 25. However, the reader associated the final glottal stop inalienably with the vowel quality when reading short Thai vowel symbols. 26. At the phonological level, Chinglish does not differentiate between various vowel qualities because they don't exist in Chinese. 27. Normally, when a word is formed by adding a suffix to an existing word, the vowel quality is maintained. 28. The Jinhui dialect spoken in Shanghai's Fengxian District has 20 vowel qualities , the most among all world languages. 29. Thus, differences vowel quality reflected older length distinctions while new vowel length distinctions were conditioned by accent type and placement. 30. Vowel quality and prosodic features like vowel length, tone, and stress have not yet been reconstructed for the Tanoan family.
