spitfire vs emotional person

spitfire and emotional person both are nouns.

Word	Noun	Adjective	Verb	Adverb
spitfire	Yes	No	No	No
emotional person	Yes	No	No	No

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

spitfire: a highly emotional and quick-tempered person (especially a girl or woman)
emotional person: a person subject to strong states of emotion

spitfire (noun)	emotional person (noun)
a highly emotional and quick-tempered person (especially a girl or woman)	a person subject to strong states of emotion