imp vs terror

imp and terror both are nouns.

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

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

Other hyponyms of imp include brat, holy terror, little terror.

imp (noun)	terror (noun)
one who is playfully mischievous	the use of extreme fear in order to coerce people (especially for political reasons)
(folklore) fairies that are somewhat mischievous	an overwhelming feeling of fear and anxiety
	a very troublesome child
	a person who inspires fear or dread