press of canvas vs press of sail

press of canvas and press of sail both are nouns.

Word	Noun	Adjective	Verb	Adverb
press of canvas	Yes	No	No	No
press of sail	Yes	No	No	No

As nouns, press of canvas and press of sail are synonyms defined as:

press of canvas and press of sail: the greatest amount of sail that a ship can carry safely

press of canvas (noun)	press of sail (noun)
the greatest amount of sail that a ship can carry safely	the greatest amount of sail that a ship can carry safely