crybaby vs unpleasant person

crybaby and unpleasant person both are nouns.

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

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

Other hypernyms of crybaby include disagreeable person.

crybaby (noun)	unpleasant person (noun)
a person given to excessive complaints and crying and whining	a person who is not pleasant or agreeable
a person who lacks confidence, is irresolute and wishy-washy