DEM-oh-nuh-tuh
Here's a breakdown:
* DEM: Pronounced as "dem" like the first part of "demon."
* oh: Pronounced as the vowel sound in "go."
* nuh: Pronounced as "nah" like the first syllable of "nation."
* tuh: Pronounced as "tuh" like the first syllable of "tutor."
Let me know if you have any other words you'd like help pronouncing!