prairie wagon vs Conestoga wagon

prairie wagon and Conestoga wagon both are nouns.

Word	Noun	Adjective	Verb	Adverb
prairie wagon	Yes	No	No	No
Conestoga wagon	Yes	No	No	No

As nouns, prairie wagon and Conestoga wagon are synonyms defined as:

prairie wagon and Conestoga wagon: a large wagon with broad wheels and an arched canvas top; used by the United States pioneers to cross the prairies in the 19th century

Other synonyms of prairie wagon include Conestoga, covered wagon, prairie schooner.

prairie wagon (noun)	Conestoga wagon (noun)
a large wagon with broad wheels and an arched canvas top; used by the United States pioneers to cross the prairies in the 19th century	a large wagon with broad wheels and an arched canvas top; used by the United States pioneers to cross the prairies in the 19th century