R

Radiophobia- Fear of radiation, x-rays.

Ranidaphobia- Fear of frogs.

Rectophobia- 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.

Rhytiphobia- Fear of getting wrinkles.

Rupophobia- Fear of dirt.

Russophobia- Fear of Russians.