a pronunciation of a word that is influenced by the word's orthography and often comes about as the modification of an earlier or original rendering, such as the pronunciation of the British name Mainwaring, usually (ˈmænərɪŋ), as (ˈmeɪnˌwɛərɪŋ)
spelling pronunciation in American English
a pronunciation of a word that is influenced by its spelling and does not follow standard usage
(fôrʹkasəl) is a spelling pronunciation of forecastle (fōkʹsəl)