volute vs buntline coil

volute and buntline coil both are nouns.

Word	Noun	Adjective	Verb	Adverb
volute	Yes	Yes	No	No
buntline coil	Yes	No	No	No

As nouns, buntline coil is a hyponym of volute; that is, buntline coil is a word with a more specific, narrower meaning than volute:

volute: a structure consisting of something wound in a continuous series of loops
buntline coil: A basic coil for storing rope.

Other hyponyms of volute include hank, gasket coil.

volute (noun)	buntline coil (noun)
a structure consisting of something wound in a continuous series of loops	A basic coil for storing rope.
ornament consisting of a curve on a plane that winds around a center with an increasing distance from the center

volute (adjective)	buntline coil (adjective)
in the shape of a coil