How Do You Spell ONE SAY?
Pronunciation: [wˈɒn sˈe͡ɪ] (IPA) 
The spelling of the phrase "one say" is not standard English, and it is not listed in any reputable dictionaries. However, it is possible that it may be a dialectical variation of "once a day," which would be pronounced as /wʌns ə deɪ/ in IPA phonetic transcription. Alternatively, it could be a misspelling or a typographical error for "one way," which would be pronounced as /wʌn weɪ/ in IPA. Regardless, it is not a commonly used phrase in English, and it is not recommended to use it in formal writing or speech.
