fore-topmast staysail vs fore staysail

fore-topmast staysail and fore staysail both are nouns.

Word	Noun	Adjective	Verb	Adverb
fore-topmast staysail	Yes	No	No	No
fore staysail	Yes	No	No	No

As nouns, fore-topmast staysail and fore staysail are synonyms defined as:

fore-topmast staysail and fore staysail: the innermost jib (just ahead of the foremast) on a large square-rigged ship.

fore-topmast staysail (noun)	fore staysail (noun)
the innermost jib (just ahead of the foremast) on a large square-rigged ship.	the innermost jib (just ahead of the foremast) on a large square-rigged ship.