turf vs greensward

turf and greensward both are nouns.

Word	Noun	Adjective	Verb	Adverb
turf	Yes	No	Yes	No
greensward	Yes	No	No	No

As nouns, turf and greensward are synonyms defined as:

turf and greensward: surface layer of ground containing a mat of grass and grass roots

Other synonyms of turf include sod, sward.

turf (noun)	greensward (noun)
range of jurisdiction or influence	surface layer of ground containing a mat of grass and grass roots
the territory claimed by a juvenile gang as its own
surface layer of ground containing a mat of grass and grass roots

turf (verb)	greensward (verb)
cover (the ground) with a surface layer of grass or grass roots