sod vs sward

sod and sward both are nouns.

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

As nouns, sod and sward are synonyms defined as:

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

Other synonyms of sod include greensward, turf.

sod (noun)	sward (noun)
surface layer of ground containing a mat of grass and grass roots	surface layer of ground containing a mat of grass and grass roots
someone who engages in anal copulation (especially a male who engages in anal copulation with another male)
an informal term for a youth or man

sod (verb)	sward (verb)
cover with sod