landscape gardener vs designer

landscape gardener and designer both are nouns.

Word	Noun	Adjective	Verb	Adverb
landscape gardener	Yes	No	No	No
designer	Yes	No	No	No

As nouns, designer is a hypernym of landscape gardener; that is, designer is a word with a broader meaning than landscape gardener:

landscape gardener: someone who arranges features of the landscape or garden attractively
designer: someone who creates plans to be used in making something (such as buildings)

Other hypernyms of landscape gardener include architect.

landscape gardener (noun)	designer (noun)
someone who arranges features of the landscape or garden attractively	someone who creates plans to be used in making something (such as buildings)
	someone who designs clothing
	a person who specializes in interior design
	a person who devises plots or intrigues
	someone who specializes in graphic design