peace pipe vs calumet

peace pipe and calumet both are nouns.

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

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

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

Other synonyms of peace pipe include pipe of peace.

peace pipe (noun)	calumet (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)