Phobia.
Any irrational fear - and it MUST be irrational - is a phobia and will have a long word ending in ~phobia as its medical term. A fear of snakes is not a phobia, it's perfectly proper to be afraid of snakes, but to be afraid of them in a place where they don't exist, or are most unlikely to be found, would be a phobia.
There is no specific word for this irrational phobia.
An irrational fear of cats.
* Irrational fear of the color yellow * Irrational fear of the word yellow * Feeling of panic * Feeling of terror * Feeling of dread
Paedophobia refers to an irrational fear or aversion to children.
A phobia is the name for an irrational fear of something. Aracho is the Greek word for spider-like animals. So, arachnophobia is an irrational fear of spiders.
Ornithophobia is the irrational fear of birds. The word's pre-fix "ornitho" tells us that it is talking about birds, and the suffix "phobia" means irrational fear.
4 letter word ending in qi
Beryl is a 5-letter word ending in "yl".
Genius is a 6 letter word ending in ius
A ten letter word ending in 'ier' is Chandelier.
"Xenophobe" - a person with an irrational fear or hatred of strangers or foreigners.