landscapist vs landscaper

landscapist and landscaper both are nouns.

Word	Noun	Adjective	Verb	Adverb
landscapist	Yes	No	No	No
landscaper	Yes	No	No	No

As nouns, landscapist and landscaper are synonyms defined as:

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

Other synonyms of landscapist include landscape architect, landscape gardener.

landscapist (noun)	landscaper (noun)
someone who paints landscapes	someone who arranges features of the landscape or garden attractively
someone who arranges features of the landscape or garden attractively