The word "roache" is commonly misspelled, as the correct spelling is actually "roach." The phonetic transcription of this word in IPA is /roʊtʃ/. The "oa" sound in the middle of the word is pronounced like a long "o," as in the word "boat." The "ch" at the end of the word is pronounced like the "ch" in "church." It is important to use correct spelling to effectively communicate in written language.