The fear of these eight-legged web-spinners is called arachnophobia.
What are spiders?
If you panic when an elevator door closes because you fear small, enclosed spaces, you have this famous phobia.
What is claustrophobia?
Coulrophobia is the fear of these makeup-wearing, balloon-twisting performers often seen at circuses.
What are clowns?
Nyctophobia is the fear of this, which is why many younger children use a nightlight to banish it.
What is the dark?
"Aqua-" means water. Therefore, aquaphobia is the fear of this.
What is water?
This slithering, legless reptile is the focus of ophidiophobia.
What is a snake?
Acrophobia is the fear of these, which means you definitely won't want to look down from the top of a skyscraper.
What are heights?
Despite its massive name, Hippopotomonstrosesquippedaliophobia is actually the ironic fear of these.
What are long words?
Pyrophobia is the fear of this hot, burning element.
What is fire?
"Biblio-" means book. Therefore, bibliophobia is the fear of these reading materials.
What are books?
Cynophobia comes from the Greek word for this barking, tail-wagging family pet.
What is a dog?
Glossophobia is the fear of public speaking, which means talking in front of one of these.
What is a crowd (or an audience)?
If you suffer from turophobia, you would have a terrible time at a pizza party because you fear this dairy product.
What is cheese?
Astraphobia causes people to hide under the covers during a storm because they fear thunder and this bright flash of electricity.
What is lightning?
"Helio-" means sun. Therefore, heliophobia is the fear of this.
What is sunlight?
Someone with ornithophobia would panic if a flock of these flying, feathered animals landed nearby.
What are birds?
Agoraphobia is often misunderstood; it is actually the fear of being in open, crowded, or public places where escape might be difficult.
What are open spaces?
Pogonophobia is the fear of this facial hair, meaning a sufferer would be terrified of Santa Claus or Dumbledore.
What is a beard?
Thalassophobia is the fear of large, deep bodies of water, most notably this global body.
What is the ocean?
"Necro-" comes from the Greek word for death. Therefore, necrophobia is the fear of these things.
What are dead things (or death)?
Apiphobia is the specific fear of these buzzing, stinging insects that make honey.
What are bees?
Trypanophobia might make you nervous at the doctor's office, because it is the fear of medical procedures involving these sharp objects.
What are needles (or injections/shots)?
Phobophobia is the meta-fear of this emotional state itself.
What is fear (or having a phobia)?
Mysophobia is the technical term for the fear of germs and contamination, leading to frequent washing of these.
What are hands?
"Triskaideka-" is the Greek word for thirteen. Therefore, triskaidekaphobia is the fear of this specific number.
What is the number 13?