landscape gardener vs landscaper

landscape gardener and landscaper both are nouns.

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

As nouns, landscape gardener and landscaper are synonyms defined as:

landscape gardener and landscaper: someone who arranges features of the landscape or garden attractively

Other synonyms of landscape gardener include landscape architect, landscapist.

landscape gardener (noun)	landscaper (noun)
someone who arranges features of the landscape or garden attractively	someone who arranges features of the landscape or garden attractively