putting green vs putting surface

putting green and putting surface both are nouns.

Word	Noun	Adjective	Verb	Adverb
putting green	Yes	No	No	No
putting surface	Yes	No	No	No

As nouns, putting green and putting surface are synonyms defined as:

putting green and putting surface: an area of closely cropped grass surrounding the hole on a golf course

Other synonyms of putting green include green.

putting green (noun)	putting surface (noun)
an area of closely cropped grass surrounding the hole on a golf course	an area of closely cropped grass surrounding the hole on a golf course