leghorn vs boater

leghorn and boater both are nouns.

Word	Noun	Adjective	Verb	Adverb
leghorn	Yes	No	No	No
boater	Yes	No	No	No

As nouns, leghorn and boater are synonyms defined as:

Other synonyms of leghorn include Panama, Panama hat, sailor, skimmer, straw hat.

leghorn (noun)	boater (noun)
a stiff hat made of straw with a flat crown	a stiff hat made of straw with a flat crown
	someone who drives or rides in a boat