accordion vs squeeze box

accordion and squeeze box both are nouns.

Word	Noun	Adjective	Verb	Adverb
accordion	Yes	No	No	No
squeeze box	Yes	No	No	No

As nouns, accordion and squeeze box are synonyms defined as:

accordion and squeeze box: a portable box-shaped free-reed instrument; the reeds are made to vibrate by air from the bellows controlled by the player

accordion (noun)	squeeze box (noun)
a portable box-shaped free-reed instrument; the reeds are made to vibrate by air from the bellows controlled by the player	a portable box-shaped free-reed instrument; the reeds are made to vibrate by air from the bellows controlled by the player