terror vs imp

terror and imp both are nouns.

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

As nouns, imp is a hypernym of terror; that is, imp is a word with a broader meaning than terror:

Other hypernyms of terror include monkey, rapscallion, rascal, scalawag, scallywag, scamp.

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