That is the correct spelling from a long time ago. It is now spelled Demon, we are specifically discussing pronunciation. If you pronounce it Demon than you are correct if you pronounce it Daymon. You are doing it wrong also don’t forget that “I” is always capitalized… From the Link you posted…"[daemon] 2 archaic spelling of demon"
I say Demon like all the other people that are correct.
noun. The invention of new words regarded as a symptom of certain psychotic disorders, such as schizophrenia.
I’ve never heard anyone at the store say. Can I have a 1lb of Toh-mah-toes? Or Cheeseburger with no Toh-mah-toes. Can you get me some Poh-tah-toe chips when you go to the store?