The spelling of the word "bista" can be confusing for those unfamiliar with its origin. The correct pronunciation of "bista" is /ˈbɪstə/, with the stress on the first syllable. The "i" is pronounced like the "i" in "win". The "s" sounds like a "z" due to the following voiced "t". The final "a" sounds like the "a" in "father". "Bista" is a word commonly used in Nepali, meaning "20" in English. The spelling and pronunciation of Nepali words can be challenging, but mastering them can be rewarding.