calumet vs peace pipe

calumet and peace pipe both are nouns.

Word	Noun	Adjective	Verb	Adverb
calumet	Yes	No	No	No
peace pipe	Yes	No	No	No

As nouns, calumet and peace pipe are synonyms defined as:

calumet and peace pipe: a highly decorated ceremonial pipe of Amerindians; smoked on ceremonial occasions (especially as a token of peace)

Other synonyms of calumet include pipe of peace.

calumet (noun)	peace pipe (noun)
a highly decorated ceremonial pipe of Amerindians; smoked on ceremonial occasions (especially as a token of peace)	a highly decorated ceremonial pipe of Amerindians; smoked on ceremonial occasions (especially as a token of peace)