boater vs leghorn

boater and leghorn both are nouns.

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

As nouns, boater and leghorn are synonyms defined as:

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

boater (noun)	leghorn (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