aftokratorikimonadaphobia
Aftokratorikimonadaphobia is the fear of imperial measurement units, such as inches, feet, and pounds.
Fear of imperial measurement units
dianoiphobia
Fear of the mental plane of existence.
Fear of the mental plane of existence
efkolophobia
Efkolophobia is the fear of feeling at ease or being in a state of easiness.
Fear of easiness
phiphobia
Phiphobia is the fear of the golden ratio, often represented by the mathematical constant 1.6180339887.
Fear of the golden ratio (16180339887)