embroidery hoop vs embroidery frame

embroidery hoop and embroidery frame both are nouns.

Word	Noun	Adjective	Verb	Adverb
embroidery hoop	Yes	No	No	No
embroidery frame	Yes	No	No	No

As nouns, embroidery hoop and embroidery frame are synonyms defined as:

embroidery hoop and embroidery frame: a frame made of two hoops; used for embroidering

Other synonyms of embroidery hoop include tambour.

embroidery hoop (noun)	embroidery frame (noun)
a frame made of two hoops; used for embroidering	a frame made of two hoops; used for embroidering