vista vs background

vista and background both are nouns.

Word	Noun	Adjective	Verb	Adverb
vista	Yes	No	No	No
background	Yes	No	Yes	No

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

vista: the visual percept of a region
background: the part of a scene (or picture) that lies behind objects in the foreground

Other hyponyms of vista include ground, coast, exposure, foreground, glimpse, middle distance, side view, tableau.

vista (noun)	background (noun)
the visual percept of a region	scenery hung at back of stage
	(computer science) the area of the screen in graphical user interfaces against which icons and windows appear
	a person's social heritage: previous experience or training
	the part of a scene (or picture) that lies behind objects in the foreground
	information that is essential to understanding a situation or problem
	extraneous signals that can be confused with the phenomenon to be observed or measured
	relatively unimportant or inconspicuous accompanying situation
	the state of the environment in which a situation exists

vista (verb)	background (verb)
	understate the importance or quality of