scope vs purview

scope and purview both are nouns.

Word	Noun	Adjective	Verb	Adverb
scope	Yes	No	No	No
purview	Yes	No	No	No

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

scope (noun)	purview (noun)
electronic equipment that provides visual images of varying electrical quantities	the range of interest or activity that can be anticipated
a magnifier of images of distant objects
an area in which something acts or operates or has power or control:
the state of the environment in which a situation exists