phobia

/ˈfoʊbiə/

pho·bia

BrE /ˈfəʊbiə/

NAmE /ˈfoʊbiə/

a strong unreasonable fear of sth

He has a phobia about flying.

-phobia (in nouns)

a strong unreasonable fear or hatred of a particular thing

claustrophobia

xenophobia

➡  compare -philia