IPA: /əˈræknəˌfoʊb/
KK: /əˈræk.nə.foʊb/
A person who has an intense fear of spiders.
My friend is an arachnophobe and can't even look at pictures of spiders.
Arachnophobe is formed from "arachno-" (from Greek "arakhnē", meaning spider) and "-phobe" (from Greek "phobos", meaning fear). The word describes a person who has a fear of spiders.
Think of 'arachno-' which relates to spiders, and '-phobe' meaning fear. This helps you remember that an arachnophobe is someone who has a fear of spiders.
No commonly confused words.