speed frame vs roving frame

speed frame and roving frame both are nouns.

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

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

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

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

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