show vs demonstration

show and demonstration both are nouns.

Word	Noun	Adjective	Verb	Adverb
show	Yes	No	Yes	No
demonstration	Yes	No	No	No

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

show: an act or social event involving a public performance or entertainment
demonstration: a show or display; the act of presenting something to sight or view

As nouns, demonstration is a hypernym of show; that is, demonstration is a word with a broader meaning than show:

Other hypernyms of show include demo.

show (noun)	demonstration (noun)
an act or social event involving a public performance or entertainment	a show or display; the act of presenting something to sight or view
pretending that something is the case in order to make a good impression	a public display of group feelings (usually of a political nature)
something intended to communicate a particular impression	a show of military force or preparedness
	a visual presentation showing how something works
	proof by a process of argument or a series of proposition proving an asserted conclusion

show (verb)	demonstration (verb)
establish the validity of something, as by an example, explanation or experiment
provide evidence for
indicate a place, direction, person, or thing; either spatially or figuratively
give expression to
give evidence of, as of records
indicate a certain reading; of gauges and instruments
finish third or better in a horse or dog race
show in, or as in, a picture
take (someone) to their seats, as in theaters or auditoriums
make visible or noticeable
be or become visible or noticeable
give an exhibition of to an interested audience