wikiphobia
Fear of wikis, which are collaborative websites that allow users to add, modify, or delete content
Fear of wikis
wunephobia
Wunephobia is the fear of encountering or interacting with individuals perceived as 'crazy' or mentally unstable.
Fear of crazy people
yifuphobia
Yifuphobia is the fear of one's uncle who is also their mother's brother-in-law.
Fear of your uncle that is your mother's brother-in-law
yimuphobia
Yimuphobia is the fear specifically associated with one's aunt who is the sister of one's mother.
Fear of your aunt that is your mother's sister
zufuphobia
Zufuphobia is the fear of one's paternal grandfather.
Fear of your paternal grandfather