scolder vs unpleasant person

scolder and unpleasant person both are nouns.

Word	Noun	Adjective	Verb	Adverb
scolder	Yes	No	No	No
unpleasant person	Yes	No	No	No

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

scolder: someone (especially a woman) who annoys people by constantly finding fault
unpleasant person: a person who is not pleasant or agreeable

Other hypernyms of scolder include disagreeable person.

scolder (noun)	unpleasant person (noun)
someone (especially a woman) who annoys people by constantly finding fault	a person who is not pleasant or agreeable