display vs demo

display and demo both are nouns.

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

As nouns, demo is a hypernym of display; that is, demo is a word with a broader meaning than display:

Other hypernyms of display include demonstration.

display (noun)	demo (noun)
something shown to the public	a visual presentation showing how something works
a visual representation of something
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)	demo (verb)
to show, make visible or apparent	give an exhibition of to an interested audience
attract attention by displaying some body part or posing; of animals