shanty vs sea chantey

shanty and sea chantey both are nouns.

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

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

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

Other synonyms of shanty include chantey, chanty.

shanty (noun)	sea chantey (noun)
small crude shelter used as a dwelling	a rhythmical work song originally sung by sailors
a rhythmical work song originally sung by sailors