contrafagotto vs double bassoon

contrafagotto and double bassoon both are nouns.

Word	Noun	Adjective	Verb	Adverb
contrafagotto	Yes	No	No	No
double bassoon	Yes	No	No	No

As nouns, contrafagotto and double bassoon are synonyms defined as:

contrafagotto and double bassoon: the bassoon that is the largest instrument in the oboe family

Other synonyms of contrafagotto include contrabassoon.

contrafagotto (noun)	double bassoon (noun)
the bassoon that is the largest instrument in the oboe family	the bassoon that is the largest instrument in the oboe family