The correct spelling for the phrase "most notching" is actually "most noteworthy." The word "noteworthy" is pronounced /ˈnəʊtˌwɜːði/ in IPA phonetic transcription. The mistake in spelling can occur due to the similarity in sound between the two words. It is important to pay close attention to the spelling of words in order to convey ideas accurately in written communication. An online spell-checker or a dictionary can be helpful tools in ensuring correct spelling.