Consonant

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All the letters in the alphabet are either consonants or vowels. A consonant is a speech sound in which the breath is at least partly obstructed, and any letter which represents this.[1] Consonants may come singly or in clusters, but must be connected to a vowel to form a syllable.

Consonants have friction when they are spoken, mostly using the position of the tongue against the lips, teeth and roof of the mouth. b and p are plosives, using the lips to produce a tiny sharp sound. Phonetics texts give more details, with diagrams. Consonants may be voiced[2] or unvoiced.[3] The th in the is voiced, but in breath is not.

  • There are 21 consonant letters in English, for 24 consonant sounds in most English accents.[4]p242 Because of the history of the English language, there is no neat on-to-one relationship between letter and sound. th and ch each stand for a single sound, and x in fox stands for two sounds (ks). All these letters are consonants:
B, C, D, F, G, H, J, K, L, M, N, P, Q, R, S, T, V, W, X, (sometimes Y), and Z. "Y" is often used as a consonant, but it is sometimes used as a vowel. For example, in the word yellow, y is a consonant. But in the word happy, y is a vowel.
  • The rest of the letters of the alphabet are called vowels. Vowels are underdone, for there are about 20 vowel sounds in most English accents.[4]p237 The vowels are:
A, E, I, O, U (and sometimes Y)

References

  1. Concise Oxford English Dictionary.
  2. Sound uttered with the resonance of the vocal cords.
  3. mere breath
  4. 4.0 4.1 Crystal, David 1995. The Cambridge encyclopedia of the English language. Cambridge.

Questions for article: consonant diagraphs

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