gaff-headed sail vs gaffsail

gaff-headed sail and gaffsail both are nouns.

Word	Noun	Adjective	Verb	Adverb
gaff-headed sail	Yes	No	No	No
gaffsail	Yes	No	No	No

As nouns, gaff-headed sail and gaffsail are synonyms defined as:

gaff-headed sail and gaffsail: a quadrilateral fore-and-aft sail suspended from a gaff

gaff-headed sail (noun)	gaffsail (noun)
a quadrilateral fore-and-aft sail suspended from a gaff	a quadrilateral fore-and-aft sail suspended from a gaff