Triskaidekaphobia — the fear of 13.
Paraskevidekatriaphobia — the fear of Friday the 13th.
About.com has pages of background on the superstition.
And Urban Legends has a lengthy page.
Triskaidekaphobia — the fear of 13.
Paraskevidekatriaphobia — the fear of Friday the 13th.
About.com has pages of background on the superstition.
And Urban Legends has a lengthy page.