landscape architect vs designer

landscape architect and designer both are nouns.

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

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

landscape architect: 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 architect include architect.

landscape architect (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