The letter shape H was originally used in most Greek dialects to represent the sound / h /, a voiceless glottal fricative.

* voiceless glottal transition, as in English hat

English has a voiceless glottal transition spelled " h ".

* labialized voiceless glottal fricative ( Listen ) ( in Akan, Tlingit, Tsakhur )

In ancient Greek, it marks the absence of the voiceless glottal fricative from the beginning of a word.

Asturian also uses for the voiceless glottal fricative.

Among them the velar and uvular fricative pairs, as well both glottal transitions, the voiceless pharyngeal fricative and the uvular trill i. e., ( between vowels ),,,,, and.

In Brazilian Portuguese, it is usually a velar fricative (, ), voiceless uvular fricative, or glottal fricative (, ).

The voiceless glottal transition, commonly called a " fricative ", is a type of sound used in some spoken languages which patterns like a fricative or approximant consonant phonologically, but often lacks the usual phonetic characteristics of a consonant.

* ( Qof ) is usually pronounced like Arabic ق ( voiceless uvular plosive ) but other sounds occur, such as, or ( glottal stop ).

In much of Spanish America — especially in the Caribbean and in coastal and lowland areas of Central and South America — and in the southern half of Spain, syllable-final is pronounced as a voiceless glottal fricative, ) ( debuccalization, also frequently called " aspiration "), or even not pronounced at all in some variants in rapid speech.

The other major variant for the " rr " phoneme — common in Puerto Rico, the Dominican Republic, and Cuba — is articulated at the back of the mouth, either as a glottal followed by a voiceless apical trill or, especially in Puerto Rico, as a voiceless uvular trill or velar.

Consonants variously called " voiceless implosives ", " implosives with glottal closure ", or " reverse ejectives " involve a slightly different airstream mechanism, purely glottalic ingressive.

Syllable-final voiceless stops, in consonant clusters, may be pronounced as glottal stops, as unrelleased stops or, more commonly, be deleted.

The voiceless glottal transition " h " is distinct and should always be pronounced-for example, " aloha " is correct whereas " aloa " is a wrong pronunciation.

Its sound value is a voiceless glottal fricative ().

In Proto-Northwest Semitic there were still three voiceless fricatives: uvular, glottal, and pharyngeal.

In certain cases, the glottal stop can even wholly replace the voiceless consonant.

It is not always clear from linguistic descriptions if a language has a series of light ejectives or voiceless consonants with glottal reinforcement, or similarly if it has a series of light implosives or voiced consonants with glottal reinforcement.

In Cumbria, a voiceless alveolar plosive ( the English t sound ) does occur, which may have some superficial similarities to realisations in Frisian and Low German, but the glottal and glottalised DAR variants found elsewhere in the DAR area and across Yorkshire present a very different realisation.

The " t " form suggests a voiceless alveolar plosive or a voiceless dental plosive realisation, as in tin, but also serves to represent a ' glottal ' form.

However as Old Castilian became modern Spanish, the pronunciation of the sh sound changed, and came to be pronounced with a voiceless velar fricative sound like the Scottish or German ch and today the Spanish pronunciation of " Quixote " is.

Lower-case eth is used as a symbol in the International Phonetic Alphabet ( IPA ), again for a voiced dental fricative, and in IPA usage, the name of the symbol is pronounced with the same voiced sound, as ( the IPA symbol for the voiceless dental fricative is θ ).

* voiceless bilabial fricative

* voiceless labiodental fricative, as in English fine

* voiceless linguolabial fricative

* voiceless dental fricative, as in English thing

* voiceless trilled fricative

* voiceless palatal fricative

* voiceless velar fricative

* voiceless palatal-velar fricative ( articulation disputed )

* voiceless uvular fricative

* voiceless pharyngeal fricative

* voiceless epiglottal fricative

* voiceless alveolar lateral fricative

* or voiceless retroflex lateral fricative ( also written < span style =" font-family: Charis SIL, Doulos SIL, serif "></ span >)

* or voiceless palatal lateral fricative ( also < span style =" font-family: Charis SIL, Doulos SIL, serif "></ span >)

* voiceless velar lateral fricative ( also < span style =" font-family: Charis SIL, Doulos SIL, serif "></ span >)

In addition, is usually called a " voiceless labial-velar fricative ", but it is actually an approximant.

True doubly-articulated fricatives may not occur in any language ; but see voiceless palatal-velar fricative for a putative ( and rather controversial ) example.

About 15 percent of the world's languages, however, have unpaired voiced fricatives, i. e., a voiced fricative without a voiceless counterpart.

* Hazzan ( note: the " h " denotes voiceless pharyngeal fricative ) ( cantor )-a trained vocalist who acts as shatz.

Rarer lateral consonants include the retroflex laterals that can be found in most Indic languages and in some Swedish dialects, and the voiceless alveolar lateral fricative, found in many Native North American languages, Welsh and Zulu.

The symbol for the voiceless alveolar lateral fricative forms the basis for the occasional ad hoc symbols for other voiceless lateral fricatives — retroflex, palatal, and velar ( the latter two only known from affricates ):