It is striking to the ears of Spanish speakers that in the speech of many Brazilians a stressed vowel before a final s sound is glided toward the i sound. The result is a diphthong.
| Standard Spelling | Possible Pronunciation |
|---|---|
| gás | [gais] |
| mas 'but' | [mais] |
| arroz | [arrois] |
| nós | [nois] |
| feroz | [ferois] |
| eficaz | [eficais] |
| vez | [veis] |
| luz | [luis] |
| pus | [puis] |
| avestruz | [avestruis] |
| voz | [vois] |
| maçãs | [maçãs] |
| irmãs | [irmãs] |
| manhãs | [manhãis] |
(Page 20)