Question

which word contains a word root that means \believe\?
credential
dictionary
dormant
genesis

Explanation:

The word - root "cred -" means "believe". "Credential" comes from this root. A dictionary is related to words (from "dict -" meaning to speak), "dormant" is related to sleep (from "dorm -" meaning sleep), and "genesis" is related to origin (from "gen -" meaning birth or origin).

Answer:

A. credential