slide chart vs volvelle

slide chart and volvelle both are nouns.

Word	Noun	Adjective	Verb	Adverb
slide chart	Yes	No	No	No
volvelle	Yes	No	No	No

As nouns, volvelle is a hyponym of slide chart; that is, volvelle is a word with a more specific, narrower meaning than slide chart:

slide chart: a hand-held device, usually of paper, cardboard, or plastic, for conducting simple calculations or looking up information
volvelle: a circular slide chart having rotating parts

Other hyponyms of slide chart include wheel chart.

slide chart (noun)	volvelle (noun)
a hand-held device, usually of paper, cardboard, or plastic, for conducting simple calculations or looking up information	a circular slide chart having rotating parts