cap shroud vs mainsheet

cap shroud and mainsheet both are nouns.

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

As nouns, mainsheet is a hypernym of cap shroud; that is, mainsheet is a word with a broader meaning than cap shroud:

cap shroud: a shroud attached near the masthead that stays the mast against athwartship loads.
mainsheet: (nautical) a line (rope or chain) that regulates the angle at which a sail is set in relation to the wind

Other hypernyms of cap shroud include sheet, shroud, tack, weather sheet.

cap shroud (noun)	mainsheet (noun)
a shroud attached near the masthead that stays the mast against athwartship loads.	(nautical) a line (rope or chain) that regulates the angle at which a sail is set in relation to the wind