coercion vs terror

coercion and terror both are nouns.

Word	Noun	Adjective	Verb	Adverb
coercion	Yes	No	No	No
terror	Yes	No	No	No

As nouns, terror is a hyponym of coercion; that is, terror is a word with a more specific, narrower meaning than coercion:

coercion: the act of compelling by force of authority
terror: the use of extreme fear in order to coerce people (especially for political reasons)

coercion (noun)	terror (noun)
using force to cause something to occur	the use of extreme fear in order to coerce people (especially for political reasons)
the act of compelling by force of authority	an overwhelming feeling of fear and anxiety
	a very troublesome child
	a person who inspires fear or dread