The word "winest" is not a commonly used word in English, but it is the second person singular form of the verb "to win." It is spelled with the letters "w," "i," "n," "e," and "s," and has the IPA transcription of /ˈwɪnɪst/. The "w" in the beginning is pronounced as a voiced bilabial fricative, and the "i" is pronounced as a short vowel sound. The "e" is pronounced as a short vowel sound as well, and the "s" at the end is pronounced as an unvoiced alveolar fricative.