fly frame vs speed frame

fly frame and speed frame both are nouns.

Word	Noun	Adjective	Verb	Adverb
fly frame	Yes	No	No	No
speed frame	Yes	No	No	No

As nouns, fly frame and speed frame are synonyms defined as:

fly frame and speed frame: a textile machine that transforms the drawn sliver into roving.

Other synonyms of fly frame include roving frame, simplex machine.

fly frame (noun)	speed frame (noun)
a textile machine that transforms the drawn sliver into roving.	a textile machine that transforms the drawn sliver into roving.