The term vowel harmony is used in two different senses.

There are some exceptions to the rules of vowel harmony.

There are also other traces of vowel harmony in Korean.

For more discussion, see the article on vowel harmony.

The Korean language of this period had vowel harmony to a greater extent than it does today.

Unlike many others, they do not have vowel harmony.

Vowel harmony states that words may not contain both front and back vowels.

At least two parameters were used in their design, vowel harmony and iotation.

The Samic languages show no evidence for original vowel harmony.

The vowel harmony affects open vowels in the roots, which become close.

There is also a process of vowel harmony in strings longer than a word, known as "harmonic groups".

Vowel harmony: this is present in many but by no means all Uralic languages.

Several languages of the region have 8- or 9-vowel systems with some form of vowel harmony.

These vowels are restricted in their occurrence according to vowel harmony.

There are a few native Turkish words that do not have vowel harmony such as anne ('mother').

Vowel harmony is also important in the Supyire culture.

The following table summarises the rules of vowel harmony.

Moksha has lost its original system of vowel harmony.

With respect to vowel harmony, compound words can be considered separate words.

In languages with vowel harmony, there are constraints on what vowels may be found near each other.

The most important processes are vowel harmony and consonant gradation.

Complex vowel harmony, rather similar to that found in Laal, is observable.

In most words, consonants are neutral or transparent and have no effect on vowel harmony.

-Ok does not modify its form due to vowel harmony.

Another feature of the language is vowel harmony.