landscape vs landscape painting

landscape and landscape painting both are nouns.

Word	Noun	Adjective	Verb	Adverb
landscape	Yes	No	Yes	No
landscape painting	Yes	No	No	No

As nouns, landscape and landscape painting are synonyms defined as:

landscape and landscape painting: a genre of art dealing with the depiction of natural scenery

landscape (noun)	landscape painting (noun)
a genre of art dealing with the depiction of natural scenery	a genre of art dealing with the depiction of natural scenery
painting depicting an expanse of natural scenery
an extensive mental viewpoint
an expanse of scenery that can be seen in a single view

landscape (verb)	landscape painting (verb)
do landscape gardening
embellish with plants