The spelling of the word "uabain" can be tricky to understand without the help of International Phonetic Alphabet (IPA) transcription. The correct pronunciation of "uabain" is /juːˈeɪbən/, which means that the first two letters "ua" are pronounced as "yoo-ah" and the final syllable "-bain" is pronounced as "buh-in". Uabain is a toxic cardiac glycoside found in certain plants, and it is important for researchers and medical professionals to correctly spell and pronounce this word in order to communicate effectively with one another.
Ouabain.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.