Peri and Sprites

Peri noun - (Persian folklore) a supernatural being descended from fallen angels and excluded from paradise until penance is done.

Sprites and peri are semantically related. In some cases you can replace term "Sprites" with "Peri", this nouns are similar.

Sprites noun - Atmospheric electricity (lasting 10 msec) appearing as globular flashes of red (pink to blood-red) light rising to heights of 60 miles (sometimes seen together with elves).

Peri and sprites are semantically related. You can use "Peri" instead a noun "Sprites".