-phobe

From French -phobe, from Latin -phobus, from Attic Greek -φόβος (-phóbos), combining form of φόβος (phóbos), ablaut variant of φέβεσθαι (phébesthai), middle infinitive of φέβομαι (phébomai), from Proto-Indo-European *bʰegʷ. Cognates include Russian бегать (begatʹ, “run, flee”), Slovak bežať (“run”), Polish biec (“run”), Lithuanian bėgti (“run”), Albanian dëboj (“throw out, drive away, expel, banish”). Compare German -phob.

-phobe

Used to form nouns denoting a person having a fear of a specific thing.
claustrophobe
- 2013 June 22, “Snakes and ladders”, in The Economist, volume 407, number 8841, page 76:
  Risk is everywhere. […] For each one there is a frighteningly precise measurement of just how likely it is to jump from the shadows and get you. “The Norm Chronicles” […] aims to help data-phobes find their way through this blizzard of risks.
Used to form nouns denoting a person who hates or dislikes a type of person, thing, etc.
homophobe