incubus vs disagreeable person

incubus and disagreeable person both are nouns.

Word	Noun	Adjective	Verb	Adverb
incubus	Yes	No	No	No
disagreeable person	Yes	No	No	No

As nouns, disagreeable person is a hypernym of incubus; that is, disagreeable person is a word with a broader meaning than incubus:

Other hypernyms of incubus include unpleasant person.

incubus (noun)	disagreeable person (noun)
a male demon believed to lie on sleeping persons and to have sexual intercourse with sleeping women	a person who is not pleasant or agreeable
someone who depresses or worries others
a situation resembling a terrifying dream