The word "nother" is not considered a correct spelling in Standard English. It is often used informally to mean "another" or "an additional" in some regional dialects. However, the correct spelling is "other". In IPA phonetic transcription, "nəðər" represents the correct pronunciation whereas "nəʊðə" represents the pronunciation for the incorrect spelling "nother". It's important to use the correct spelling and pronunciation in formal situations to avoid confusion and convey your message clearly.
The word "nother" is an informal or colloquial contraction of the phrase "an other". It is commonly used in phrases such as "a whole nother" or "another whole nother". The term "nother" emerged in English in the late 18th century, and its usage has evolved from "an other" to "another" over time. Although it is primarily used in spoken language or informal writing, it is not considered standard English.