"Eight thousand" in Engpsh is typically written as "8,000" and pronounced as "eight thousand." It can also be written as "eight thousand," in which case it would be pronounced as "eight thousand."

For example:

"I have to memorize 8,000 Engpsh words for my exam."
"There are about 8,000 words in this dictionary."

I hope this helps! Let me know if you have any other questions.