mainsheet vs shroud

mainsheet and shroud both are nouns.

Word	Noun	Adjective	Verb	Adverb
mainsheet	Yes	No	No	No
shroud	Yes	No	Yes	No

As nouns, mainsheet and shroud are synonyms defined as:

mainsheet and shroud: (nautical) a line (rope or chain) that regulates the angle at which a sail is set in relation to the wind

Other synonyms of mainsheet include sheet, tack, weather sheet.

mainsheet (noun)	shroud (noun)
(nautical) a line (rope or chain) that regulates the angle at which a sail is set in relation to the wind	burial garment in which a corpse is wrapped
	(nautical) a line (rope or chain) that regulates the angle at which a sail is set in relation to the wind
	a line that suspends the harness from the canopy of a parachute