There is no scientific name for this particular fear but there is a close one called
Jangelaphobia - Fear of jello.
Aquaphobia
An intense or irrational fear is called a phobia.
The fear of sombreros is called "sombrerophobia." It is a specific phobia that involves an irrational and excessive fear of sombreros.
It is called xenophobia.
Neophobia- the fear of novelty
Necrophobia, or Thanatophobia. They are the irrational fear of death or dead things.
Xenophobia
The fear of rabbits is called leporiphobia. It is a specific phobia characterized by an irrational fear or aversion towards rabbits.
The irrational fear is called a phobia; the experience or object that triggers a phobia could be called a phobic experience or object.
The fear of carpets is called "tapinophobia." It is a specific phobia characterized by an irrational fear of walking on carpets or fear of being in close proximity to them.
an irrational fear of sitting down. an irrational fear of sitting down.
His fear of rain was irrational. Even though it was an irrational fear, he couldn't stand raindrops.