Vowel in Creek, the letter "V" stands for . There is not necessarily a direct one-to-one correspondence between the vowel sounds of a language and the vowel letters. Many languages that use a form of the Latin alphabet have more vowel sounds than can be represented by the standard set of five vowel letters. In English spelling, the five letters "A" "E" "I" "O" and "U" can represent a variety of vowel sounds, while the letter "Y" frequently represents vowels (as in e.g., "gym", "happy", or the diphthongs in "cry", "thyme"); "W" is used in representing some diphthongs (as in "cow")
Vowel dimension Vowel dimension A vowel dimension is an aspect of a vowel's pronunciation, involving a phonological or phonetic feature which is utilised in a language. The basic vowel dimensions are generally viewed as being vowel backness and height; these dimensions are manifested in most of the world's languages. (Some languages, though, distinguish vertical vowel systems, which are usually based around a contrast in height: Arrernte, Ubykh and Wichita are three such languages.) These two phonological features are generally viewed to be true "dimensions", since they correspond to actual spatial movement in two physical dimensions. These dimensions can be extraordinarily complex in