The spelling of the word "LEUEK" is incorrect. However, it can be assumed that the intended spelling is "LEUK" which is pronounced as /luːk/ in the International Phonetic Alphabet (IPA). The word leuk is a medical term that stands for white blood cells. It derives from the Greek word 'leukos' which means 'white'. It is important to be cautious when spelling words related to medical terminology as it can impact the accuracy and understanding of the message being conveyed.