Aetaphobia 

The fear of the Letter A.

Examples of Aetaphobia:
Guy 1: Hello!
Guy 2: A
Guy 1: *dies*

Aetaphobia by Casualguy7 July 21, 2021

Abenaphobia 

the fear of baked beans

"Don't put those baked beans near me! I have Abenaphobia!"

Abenaphobia by semicircle7 March 27, 2021

Autophobia 

The fear of oneself or being alone.

Even in the chat room, Claus felt cold and lonely as his autophobia started to act up.

Autophobia by Justin's Farm Brand Italian Ice October 9, 2006

astraphobia

Astraphobia, also known as astrapophobia, brontophobia, keraunophobia, or tonitrophobia is an abnormal fear of thunder and lightning, a type of specific phobia. It is a treatable phobia that both humans and animals can develop.

Boy: Do you think thunderstorms are cool?
Girl: Don’t talk about thunderstorms, I have astraphobia!

astraphobia by Midnight dreams12 June 24, 2018

DetAphobia 

The irrational fear of determinants(the determinant is a scalar value that can be computed from the elements of a square matrix:det A)

DetAphobia
Do you know how to calculate determinants?
I am afraid of that determinant.

DetAphobia by StatieSpatiala May 4, 2020

Cetaphobia 

Cetaphobia is the fear of Emi and the Brad does discord server

I went on discord and some kid got cetaphobia when he saw emi talking

Cetaphobia by Cetaphobic January 17, 2019

autophobia 

Fear of one's self or of solitude.

He suffers from autophobia and hates to be left alone.

autophobia by SacreVlad March 15, 2010