turf vs sward

turf and sward both are nouns.

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

As nouns, turf and sward are synonyms defined as:

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

Other synonyms of turf include greensward, sod.

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