landscape vs decorate

landscape is a noun but decorate is not a noun.

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

As verbs, decorate is a hypernym of landscape; that is, decorate is a word with a broader meaning than landscape:

Other hypernyms of landscape include adorn, beautify, embellish, grace, ornament.

landscape (noun)	decorate (noun)
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)	decorate (verb)
do landscape gardening	provide with decoration
embellish with plants	make more attractive by adding ornament, colour, etc.
	award a mark of honor, such as a medal, to
	be beautiful to look at