landscaper vs landscape gardener

landscaper and landscape gardener both are nouns.

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

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

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

Other synonyms of landscaper include landscape architect, landscapist.

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