Santigen is a word that is spelled in a unique way. The word 'san' is pronounced with the sound /sæn/, and 'tigen' with the sound /taɪdʒən/. The 'g' in the word is silent, which can be confusing for some readers. The correct pronunciation of santigen is /ˈsæntaɪdʒən/. The word is often used in pharmaceuticals, and refers to a substance that stimulates the production of antibodies. It's important to pay attention to the spelling and pronunciation of this word, as miscommunication could lead to serious consequences.