Quadraphobia- fear of the number four.
Quadriplegiphobia- fear of quadriplegics or fear of becoming a quadriplegic.
Quintaphobia- fear of the number five.
R.
Radiophobia- Fear of radiation, x-rays.
Ranidaphobia- Fear of frogs.
Rectophobua- Fear of rectum or rectal diseases.
Rhabdophobia Fear of being severely punished or beaten by a rod, or of being severely criticized. Also fear of magic.(wand)
Rhypophobia- Fear of defecation.
Rhtyiphobia Fear of getting wrinkles.
Rupophobia- Fear of dirt.
Russophobia- Fear of Russians.
S.
Samhainophobia-Fear of Halloween.
Scolinophobia-Fear of school.
Selenophobia-Fear of the moon.
Sociophobia-Fear of social evaluation.
Somniphobia-Fear of sleep.
T.
Tachophobia-Fear of speed.
Techonphobia-Fear of technology.
Tonitrophobia-Fear of thunder.
Trypanophobia-Fear of needles or injections