sea chantey vs chanty

sea chantey and chanty both are nouns.

Word	Noun	Adjective	Verb	Adverb
sea chantey	Yes	No	No	No
chanty	Yes	No	No	No

As nouns, sea chantey and chanty are synonyms defined as:

sea chantey and chanty: a rhythmical work song originally sung by sailors

Other synonyms of sea chantey include chantey, shanty.

sea chantey (noun)	chanty (noun)
a rhythmical work song originally sung by sailors	a rhythmical work song originally sung by sailors