display vs histrionics

display and histrionics both are nouns.

Word	Noun	Adjective	Verb	Adverb
display	Yes	No	Yes	No
histrionics	Yes	No	No	No

As nouns, histrionics is a hyponym of display; that is, histrionics is a word with a more specific, narrower meaning than display:

Other hyponyms of display include production, sackcloth and ashes.

display (noun)	histrionics (noun)
something shown to the public	a performance of a play
a visual representation of something	a deliberate display of emotion for effect
an electronic device that represents information in visual form
exhibiting openly in public view
something intended to communicate a particular impression
behavior that makes your feelings public

display (verb)	histrionics (verb)
to show, make visible or apparent
attract attention by displaying some body part or posing; of animals