Horror-Thriller | Commonly Confused Words

Horror

/ˈhɒrə/

A feeling of great fear and shock

No lurking horrors were to upbraid him for his easy credulity.I returned to the hotel, feeling sick with horror.Faustus thought with horror.

/ˈθrɪlə/

An exciting story or movie full of suspense and surprises

This word has no antonyms

Horror often deals with explicit scares and supernatural elements, like ghosts or monsters.
Thriller tends to focus on suspense and tension, often keeping you on the edge with plot twists.
Horror is all about invoking fear, while thriller often dwells on excitement and anticipation.
Think nightmare for horror; think cliff-hanger for thriller.
Horror might leave you scared to sleep; thriller could leave you eagerly waiting for the next twist.