paraskavedekatriaphobia

If that scares you, you may have paraskavedekatriaphobia (also known as friggatriskaidekaphobia).

Besides the aforementioned paraskevidekatriaphobia, there’s also an alternate spelling, paraskavedekatriaphobia.

Fear of Friday the 13th — one of the most popular myths in science — is called paraskavedekatriaphobia as well as friggatriskaidekaphobia.

Paraskavedekatriaphobia (Friday the 13)", a song by Fozzy on the album Chasing the Grail"