covered wagon vs prairie schooner

covered wagon and prairie schooner both are nouns.

Word	Noun	Adjective	Verb	Adverb
covered wagon	Yes	No	No	No
prairie schooner	Yes	No	No	No

As nouns, covered wagon and prairie schooner are synonyms defined as:

covered wagon and prairie schooner: 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 covered wagon include Conestoga, Conestoga wagon, prairie wagon.

covered wagon (noun)	prairie schooner (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