horizon vs purview

horizon and purview both are nouns.

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

As nouns, horizon and purview are synonyms defined as:

horizon and purview: the range of interest or activity that can be anticipated

Other synonyms of horizon include view.

horizon (noun)	purview (noun)
the range of interest or activity that can be anticipated	the range of interest or activity that can be anticipated
the line at which the sky and Earth appear to meet
a specific layer or stratum of soil or subsoil in a vertical cross section of land
the great circle on the celestial sphere whose plane passes through the sensible horizon and the center of the Earth