There may be a reduction of vowels.

Tiengòne has two short vowels, six long vowels, and seven vowel pairs.

Classical Nahuatl had four vowels, /a/, /e/, /i/, and /o/, which could be either long or short.

This consonant tends to become voiced between vowels.

Many among us are not familiar with diphthongs but they are found in every phrase, sentence and paragraph. Question: How important are they in the Zamboangueño Chavacano language and what does dipthong mean? Answer: They are very important! Diphthongs are combinations of two vowels pronounced together in the same syllable, which produces a new distinct sound.

The word "обороноспособность" is unique in the Russian language. No other word can be found in which there are seven vowels that are all the same.

English is difficult to pronounce because of its ambiguous vowels and diphthongs and consonantal clusters. Is it really suitable as an international language?

In Tiengòne, there are three types of vowels: short vowels, long vowels, and long vowel pairs.

The French word 'oiseau', meaning 'bird', is the shortest one to contain five different vowels.

Are there any languages with no vowels?