- phobiaAn irrational, abnormal, or obsessive fear (of something).
- PhobosA son of Ares (Mars). Also the Greek god of fear.
- xenophobeOne who hates or fears strangers or foreigners.
- ablutophobeA person who fears bathing.
- ablutophobiaA pathological fear of washing or bathing.
- ablutophobicOf or pertaining to or suffering from ablutophobia.
- blennophobeA person who has blennophobia.
- blennophobiaThe irrational fear of slime.
- climacophobiaThe fear of staircases or of falling down stairs.
- coprophobiaA fear of feces.
- hodophobicOf the dendrites of neurons: tending not to form branches.
- homichlophobiaThe fear of fog.
- neurophobiaAn aversion to or fear of neurology or the nervous system, especially among medical students or professionals intimidated by the complexity of neurological science.
- phobo-fear
- religiophobiaA fear or hatred of religion, religious faith, religious people or religious organizations.
- trypophobiaAn irrational or obsessive fear of irregular patterns or clusters of small holes, such as those found in honeycombs.
- vermiphobiaAn abnormal or irrational fear of worms or being infected by worms.