Nasalization
It is much stronger in Brazilian Portuguese than European Portuguese. When a syllable ends with m or n, this consonant is not completely pronounced, but only specifies the nasalization of the vowel which precedes it. At the end of words, this occasionally generates a nasal diphthong.
Monophthongs |
Diphthongs |
Grapheme |
Pronunciation |
Grapheme |
Pronunciation |
-an, -am, -ân, -âm1 |
/ / |
-am2 |
/̃ũ/ |
-en, -em, -ên, -êm1 |
/ẽ/ |
-em, -ém2 |
/ẽĩ ~ ̃ĩ/ |
-in, -im, -ín, -ím3 |
/ĩ/ |
-en-, -én-4 |
-on, -om, -ôn, -ôm3 |
/õ/ |
-êm2 |
/ẽĩ ~ ̃ĩ̃ĩ/ |
-un, -um, -ún, -úm3 |
/ũ/ |
|
1 at the end of a syllable
2 at the end of a word
3 at the end of a syllable or word
4 before final s, for example in the words bens and parabéns
| 
