orthoepy

nouns

the way a word or a language is customarily spoken

"the pronunciation of Chinese is difficult for foreigners"; "that is the correct pronunciation"

a term formerly used for the part of phonology that dealt with the `correct' pronunciation of words and its relation to `correct' orthography

orthoepy

is a type of (narrower)

the study of the sound system of a given language and the analysis and classification of its phonemes