lobsterback vs redcoat

lobsterback and redcoat both are nouns.

Word	Noun	Adjective	Verb	Adverb
lobsterback	Yes	No	No	No
redcoat	Yes	No	No	No

As nouns, lobsterback and redcoat are synonyms defined as:

lobsterback and redcoat: British soldier; so-called because of his red coat (especially during the American Revolution)

lobsterback (noun)	redcoat (noun)
British soldier; so-called because of his red coat (especially during the American Revolution)	British soldier; so-called because of his red coat (especially during the American Revolution)