Are You Brave Enough For Phobia Trivia? What is the fear of spiders called? Acrophobia Ophidiophobia Arachnophobia Claustrophobia None What is the fear of heights called? Trypophobia Acrophobia Hemophobia Claustrophobia None What is the fear of flying called? Glossophobia Trypophobia Astraphobia Aviophobia None What is the fear of public speaking called? Glossophobia Coulrophobia Nyctophobia Agoraphobia None What is the fear of open spaces called? Trypophobia Astraphobia Nyctophobia Agoraphobia None Time's up Most Popular Most Popular