There is only little evidence showing that the retroflex consonants are contrastive.

For more information on these differing varieties, see the article on retroflex consonants.

That is, they are true retroflex consonants.

Although data is not precise, about 20 percent of the world's languages contain retroflex consonants of one sort or another.

They obey the back-vowel constraint common among retroflex consonants.

However, most so-called retroflex consonants are actually apical.

The Nuristani languages of eastern Afghanistan also have retroflex consonants.

The most unusual sounds include, but are not limited to, the retroflex consonants or cacuminals (Cipolla 2005).

Most, though not all, instances of retroflex consonants indicate a word is of Tibetan origin.

There are several retroflex consonants not yet recognized by the IPA.

Tamil phonology is characterised by the presence of retroflex consonants, multiple rhotics.

Most speakers of Jingulu do not make a distinction between the retroflex consonants and their alveolar equivalents.

Retroflex consonants were not present in the Persian alphabet, and therefore had to be created specifically for Urdu.

Old Javanese also contains the retroflex consonants, which might have been derived from Sanskrit.

The letters tx and x represent retroflex consonants, pronounced with the tongue curled backward in the mouth.

The retroflex consonants are subapical.

Most of the dialects in Eastern, Central and Northern Norway use the retroflex consonants.

Retroflex consonants, like other coronal consonants, come in several varieties, depending on the shape of the tongue.

Retroflex consonants are transcribed in the International Phonetic Alphabet as follows:

The symbol is not an exclamation mark in origin, but rather a dental click with a subscript dot, the old diacritic for retroflex consonants.

Another incompatibility concerns dental and retroflex consonants, which never occur together within a stem, and usually dissimilate when brought together.

This presumably derives from the old IPA practice of using a subscript dot for retroflex consonants.

To the Indian speaker, the alveolar and of English sound more like the corresponding retroflex consonants of his own language than like the dentals.

The retroflex consonants needed to be added as well; this was accomplished by placing a small ط (tō'ē) above the corresponding dental consonants.

Retroflex consonants are concentrated in the Indo-Aryan and Dravidian languages of the Indian subcontinent.